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Deleting and tuning the 2.8L Duramax LWN | Remove DPF, DEF and EGR

Updated January 27, 2021 by Jeff Hart

From the factory, the 2.8L LWN Duramax is a remarkably stout and impressive power plant for the 2015-2017 Colorado and Canyon trucks. Straight out of the box people have been praising the power and performance of this compact 4 cyl. diesel motor. It’s so good most people don’t need to do a thing to it besides drive it (and change the oil, frequently.)

Of course, nothing can ever be perfect, and every engine has it’s weaknesses. We wouldn’t have to keep buying new parts or new trucks if they lasted forever. In the case of the LWN, well it wouldn’t be a modern diesel without complicated modern emissions equipment. That complicated modern emission equipment has some…. tradeoffs.

In fact, one of the main complaints so far has been that some of these trucks have already been throwing emissions codes because of a non-functioning, clogged up EGR system and related sensors going off for the DPF and SCR efficiency, in chain reaction to the EGR malfunction.

Most of the time, a thorough cleaning of the EGR system can make the codes go away, but it’s just gonna be one of those procedures that will have to be added into your maintenance schedule as you rack up the miles. The DPF filter is also going to need to be replaced in the higher mileage trucks at some point, the clogging happens there as well. Even more so when the EGR isn’t working properly.

And of course, the DEF isn’t going to fill itself.

Properly maintained and working correctly however, these systems do work really well together to make the LWN one of the “cleanest” diesels available.

What are the EGR, the DPF and the SCR/DEF injection systems?

These are the series of parts works together in order for the LWN to meet emissions output regulations. In order to better understand them, let’s do a quick overview of how each of these individual components function:

The DEF system is what uses the urea fluid (aka blue def or adblue) injection into the SCR, vaporizing the fluid mixture into ammonia and carbon dioxide that can be filtered by this catalyst into nitrogen and water. In theory, this a great addition to the overall reduction of emissions output. In reality though, the urea mixture is a little too volatile for long-term reliability, especially in cold climates. Urea likes to crystallize and evaporate when exposed to cold temps or air, which can wreak havoc on the injection system. These systems have numerous sensors and a heating element contained in the holding tank, which get attacked by the corrosive fluid and will almost always fail over time in one way or the other. Overhauling these injections systems can get quite costly.

In the DPF portion of the exhaust you have the filter that takes the remainder of NOx and filters out as much as possible by grabbing the carbon as it flows through the tiny passageways of the filter. As you can imagine, these passageways don’t take a lot to get clogged up, this is why you have what is called the “regen mode” which works by super-heating the filter to burn away carbon deposits. The burn is created by over-fueling the engine to make the exhaust gas temperature rise very high in order to vaporize deposits. Over-fueling does have the negative effect of also dumping some of the fuel into the oil, thereby reducing it’s longevity and lubrication effectiveness. For this reason, it is VERY important to follow the oil change intervals as closely as possible to combat the diluted oil. The DPF filter itself will also clog after some time, and require replacement of that entire section of the exhaust.

The EGR system works to lower emissions by re-introducing some of the unburnt fuel in the exhaust back into the intake tract, thereby re-burning some of the inherit emissions that would need to be filtered by the SCR and DPF. Some form of EGR systems have been used on just about every modern engine to reduce the amount of emissions they produce and they have been proven to do just that, which is a great thing for the environment. However, they do come with a huge reliability drawback, especially on diesels, and that is the amount of gunk that clogs up not only the EGR system but also the intake manifold, valves and etc. Basically by allowing the EGR to do its job, you’ll also have to accept the fact that all that dirty exhaust is going to be recycled back into the intake of your engine, gumming up everything in its path. This is terrible for engine longevity.

Should you delete and tune your 2.8L Duramax?

Let’s weigh some pros and cons:

Delete Pros:

  • Tuning can increase the power to around 212hp and 412 ft. pounds of torque.
  • By removing the clog-prone EGR and DPF, you will increase the reliability and longevity of your truck.
  • On average, you will stand to gain an extra 5 MPG after the deletes.
  • No more limp mode because of a clogged DPF or the frequent DEF system failures. This translates into much lower maintenance costs.
  • Your engine will run cleaner by not having recycled carbon and fuel dumped back into the engine, which frees you up from low-ash type oil and allows you to run my favorite oil: Rotella T6.
  • This is purely my own preference, but if you run without a muffler you’ll have much more pronounced turbo and engine sound with the exhaust restrictions gone.

Delete Cons:

  • Legality is the biggest con of removing emissions equipment, at least in the US. You need to be aware that these modifications are only to be used in vehicles that aren’t to be driven on public roads, as the US regulations have made modifications to these systems to be for off-road use only. Other countries sometimes do not have the same requirements, check with your local authorities.
  • Another con to deleting your mini max is that the warranty can be voided by the dealership if they detect a tune (and they can, even with it returned to factory conditions.) Normally these systems are covered under the emissions warranty for 8 years/ 80K miles, which is actually quite generous, although I have noticed that a lot of times people are having clogged DPF filter and EGR issues right after the emissions warranty runs out.

Tell me how to remove it!

So after careful consideration of the remaining value of your warranty and acknowledgement of your local laws, you’ve decided to delete your truck.  Well, that in itself can be a little tricky; because of the newness of the LWN trucks some aftermarket manufacturers are still in development for this platform. That said, there’s some really good options already.

Keep reading to see the breakdown of everything that you’ll find in a typical delete kit.

Best Option for a 2.8L Duramax Delete Tuner

  • PPEI Custom EFILive Switch On The Fly
Custom Tuning 2015 2016 2017 2018 GM Colorado Canyon 2.8L Duramax

Custom Tuning 2015 2016 2017 2018 GM Colorado Canyon 2.8L Duramax

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as of February 25, 2021 9:47 pm

Each custom calibration is built off of a basic good running calibration, and is then tailored specifically for your needs and applications.

Best DPF/SCR/CAT Delete Exhaust

  • Wehrli Race Downpipe for 16-17 2.8L Duramax

If you’re going to be running a delete tune, you’ll need to exhaust to support it. This exhaust replaces all the factory exhaust emissions components with a much less restrictive straight pipe and optional muffler.

DPF filters and DEF injection systems are a big source of issues on these trucks, they are a part that IS going to need replacement at some point in the usable life of the truck. The funny thing is that they seem to be conveniently engineered to last until just after the warranty expires. Get ahead of the imminent failure and remove the factory exhaust to replace with this one.

Wehrli 2 1/2" Stainless Steel Downpipe for 16-17 2.8L Duramax

Wehrli 2 1/2" Stainless Steel Downpipe for 16-17 2.8L Duramax

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as of February 25, 2021 9:47 pm

For Off-road Competition Use Only.
-2 1/2" Stainless Steel Downpipe

EGR Delete Kit for the 2.8L Duramax

  • OZ Tuner LWN EGR Delete Kit

Removing the EGR system is vital to longevity on the mini duramax engine, as many drivers have noted excessive carbon buildup in the intake even before the first oil change interval. This extra carbon is a pretty much a universal issue on emissions controlled diesel engines, and it always results in the soot gumming up your intake and valves and contributes to an overall shorter engine life.

As far as available options to remove the EGR on the Canyon and Colorados, OZ Tuning is pretty much the only choice for a well-built and complete kit. The actual installation process to remove the EGR on the 2.8L takes some mechanical ability to perform, but the end results are more than worth it.

One caveat to EGR removal is that it WILL increase nox output, thus also increasing the amount of DEF that your truck will have to use in order to counteract. This is why it is recommended to perform both the EGR and DEF/DPF delete at the same time, otherwise you will risk having the engine computer raising alarms about the abnormal SCR utilization.

This kit includes all the block off plates and rerouting hoses that you’ll need to do a full EGR delete.

OZ Tuning EGR Delete Kit for GM Duramax Colorado/Canyon 2.8L Diesel 2015-2016

OZ Tuning EGR Delete Kit for GM Duramax Colorado/Canyon 2.8L Diesel 2015-2016

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as of February 25, 2021 9:47 pm

Conclusion

Hopefully this guide has been helpful with your search to improve the reliability and performance of your Colorado or Canyon. As always, if you have comments or questions, feel free to ask away in the comment section below!

Thanks for reading!

Filed Under: Guides, Kits

6.4L Powerstroke Delete Kits | DPF and EGR

Updated January 27, 2021 by Jeff Hart

2008-2010 Ford Powerstroke EGR DPF Deletes

Welcome to our delete guide for the 2008-2010 Ford 6.4L Powerstroke.

In this article, we will cover the available delete kit options for your Super Duty and what they can do to improve your engine’s reliability, while also increasing your MPG and HP.

The 6.4L responds excellently to a good tune and a couple deletes, by running it on the stock ECU alone you are missing out on a huge increase in the driveability experience that your powerstroke is just waiting to give you.

Why Delete?

If you’re wondering why you would want to remove any factory systems from your truck and what the benefits are – hopefully this will help to answer those questions.

Benefits of DPF removal:

  • Drastically slows down the bad oil dilution problem that 6.4s have, which decreases wear and extends engine life.
  • Improves exhaust flow, turbo spool rate and lowers your exhaust gas temps, mainly because the restriction is no longer slowing the exhaust gases after the turbo.
  • More efficient as far as MPG and HP without the restrictions or regen cycles.

EGR delete benefits:

  • Better MPG by eliminating hot exhaust gasses from entering the intake.
  • Extends the life of the EGR cooler because there is no more 1200 degree exhaust gasses passing through, which can cause the coolers to crack and fail.
  • Removes the risk of premature engine damage from EGR system failure.

So now that you can see the benefits of deleting your EGR and DPF systems, you might be asking what could possibly be the downside?

Cons:

The biggest, and really only con to DPF and EGR removal is that these type of modifications are for off-road use only and not-applicable if you drive your truck on public highways, and this applies anywhere in the United States.

That being said, if you live in a country without emissions regulations, it would be a disservice to the life of your truck if you don’t do the deletes.

How to delete:

To make it easier for those looking to find the right parts to pull this off, below I’ve listed what you will need for each type of delete and where to find them.

Note: this guide is only for the ’08-2010 Powerstroke F-250, F-350, F-450, or F-550 Super Duty, if you have the newer 6.7L click here.

Best Delete Tuner for the 6.4L

  • SCT Handheld Tuner with custom tunes

Hands down the best option for a 6.4 programmer, this preloaded SCT handheld has tunes designed specifically for the 6.4L Powerstroke, ranging from a mild +40HP increase, all the way up to +250HP, for trucks with really built powertrains. There are also towing mode tunes that help greatly when you are trying to have the power and efficiency for pulling heavy loads.

The SCT tuners are flexible and highly customizable, but the most important feature; with it you have all the preloaded tunes that retain emissions, and the ones that allow you to delete the EGR and DPF individually or both together.

The 6.4L tends to run best as a daily driver at the +135 HP tune with EGR and DPF deletes installed. It will feel like a whole new truck, just keep the boost below 40 psi if you’re still on stock head gaskets and bolts.

If you’re feeling a little froggy (and have the supporting mods) you could try the +185 or +250 tunes, they really open the truck up. like crazy. Just beware of the touchier throttle on the higher tunes, it takes some getting used to. Also axle wrap becomes more of a concern at that HP too, take a look at some traction bars to solve the jerkiness.

EGR DPF Delete Tune for 2008 - 2010 Ford 6.4L Powerstroke | 3 Tunes

EGR DPF Delete Tune for 2008 - 2010 Ford 6.4L Powerstroke | 3 Tunes

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as of February 25, 2021 12:28 pm

Technical support
Custom delete tunes
Choose between Power Levels (If 3 are not chosen, we will choose for you)
+35hp
+80hp
+135hp
+185hp
+250hp
increases power
Increase MPG

Uses

DPF and EGR Delete
Increase in MPG
Increase in HP and TQ
Can be calibrated for larger tires

Cheapest Delete Tuner for the 6.4L

  •  H&S Mini Maxx Race Version

Another really good tuner for the 6.4 is this one from the now-defunct H&S. The Mini Maxx Race is the hot version that allows for the DPF and EGR to be removed.

Right out of the box it has preloaded tunes for the 6.4L which let you delete the EGR and DPF and unleash your truck. It doesn’t have as many tunes, or the amount of customizability for the 6.4 that the nGage comes with, but it will allow you to add a lot more power and delete the emissions systems – for about half the cost.

It’s the cheapest way to get the ability to delete the emissions systems, and it also serves as a good live engine monitor at the same time, with diagnostics built in. A solid 6.4L programmer choice, the MiniMaxx will work great for 90% of what daily drivers need.

H&S Mini Maxx DPF Delete Race Tuner Ford, Chevy & Dodge

H&S Mini Maxx DPF Delete Race Tuner Ford, Chevy & Dodge

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as of February 25, 2021 12:28 pm

Best Exhaust Kit for Removing the DPF and DOC

  • 4″ Turbo Back Race Exhaust Kit

A race exhaust with a straight pipe to remove the DPF filter and DOC (catalytic converter) is required if you are running a tuner that deletes the DPF from the computer.

Otherwise the filters will get clogged with soot because the regen will be turned off. This is terrible for backpressure, and has the potential to build up so much that it can pop your head gaskets if the restriction isn’t removed.

This replacement exhaust takes care of the section of factory exhaust that normally houses the DPF and cat/DOC, eliminating those huge restrictions and replacing them with a straight through pipe. Not only does it replace the filter section, it replaces the entire exhaust from downpipe out to the back of the truck.

Turbo whistle will be a lot more evident with this type of exhaust, so if you want to quiet that down for some reason, you’ll want to pick one of the exhausts that include a muffler. You could also always add your own or just reuse the factory muffler.

2008-2010 Ford Powerstroke 6.4L Race Exhaust

2008-2010 Ford Powerstroke 6.4L Race Exhaust

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as of February 25, 2021 12:28 pm

No Bungs
Without Muffler
4″ Aluminized Steel
OE Style Hangers For Easy Installation
Maximum Flow For Competition & Off Road Applications

Best 6.4L EGR Delete Kit

  • 6.4L Powerstroke EGR Delete Kit

Technically, after installing a tuner that deletes the EGR on your 6.4, it will no longer function and will be disabled. However, simply deleting the EGR codes in the computer and doing nothing else to remove the system is not the recommended way to do it.

Leaving the EGR installed can still allow exhaust gasses to flow into the system, causing soot build-up that makes the valve stick open. It’s just best to remove the system entirely with an EGR delete kit that has replacement coolant lines to remove the EGR coolers and the block off plates for the exhaust side, as doing it this way will eliminate any possibility of unreliability in the future.

The EGR coolers have a terrible way of cracking and failing on these trucks, and when that happens it can spell disaster for your engine – the way the system is designed the failure can allow coolant to enter the cylinders, causing some very serious damage if not noticed. It’s even possible to hydro-lock the motor, which very quickly turns the engine into a write-off.

2008-2010 Ford 6.4L Powerstroke Diesel EGR Valve & Cooler Delete Kit Intake Elbow

2008-2010 Ford 6.4L Powerstroke Diesel EGR Valve & Cooler Delete Kit Intake Elbow

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as of February 25, 2021 12:28 pm

This competition tested EGR Cooler Delete Kit is a great replacement for your entire stock Powerstroke EGR system. This kit gives your Ford Powerstroke's engine quicker turbo spool, lower EGT's and lower coolant temperatures. High Quality Construction in an EGR Delete Kit Sinister Diesel has manufactured this EGR Delete Kit out of more durable materials than your factory EGR. The housing of this kit is made from 304 stainless steel and tough CNC Machined billet aluminum. This product is available for a 2008, 2009, or 2010 Ford Super Duty F-250/F-350 with Powerstroke 6.4L. WARNING, this EGR Delete Kit can never be installed on any vehicle registered for use on highways or public streets. Race Tuning Required

Best Air Intake for the 6.4L

  • aFe Power Magnum FORCE Performance Intake System

This kit from AFE actually does what most air intake kits only claim to do. By enclosing the filter in a heatshield, AFE has figured out how to keep the air filter from heatsoaking in the hot engine bay air, while still allowing for easy access and a way to visually check the condition of your filter.

It uses a oil-free washable type filter, which can be washed and reused multiple times over. This is a big advantage in my opinion, saves a ton not having to buy new filters every tune-up, simply wash the filter with soap and water and let it air dry before re-installing.

aFe Power Magnum FORCE 51-41262 Ford Diesel Truck 08-10 V8-6.4 (td) Performance Intake System (Dry, 3-Layer Filter)

aFe Power Magnum FORCE 51-41262 Ford Diesel Truck 08-10 V8-6.4 (td) Performance Intake System (Dry, 3-Layer Filter)

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Amazon
as of February 23, 2021 8:11 am

Features

  • Outflows the factory intake by 26%. Produces an additional 13 horsepower and 36 lbs. x ft. torque
  • 3-Layer non-oiled, washable synthetic media for the perfect balance of performance, protection and convenience
  • Powder-coated one piece housing utilizes stock mounting locations
  • Heat-insulating molded plastic tube replaces the stock intake tract
  • This product is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles.

DEF Delete

On the more modern Powerstrokes, another benefit to deleting the DPF systems is that you no longer have to buy urea to fill up the aux tank for the DEF system to run on.

With the 6.4L, it does not actually use a DEF type system so there is no need to worry about that in the first place, once you eliminate the DPF from the exhaust and flash the tune, you are essentially done.

Conclusion

Hopefully you now have a good idea of what it takes to remove these systems from your truck, and have a feel for what parts are the best for doing so.

As always, we would love to hear any questions or comments that our readers might have, so feel free to drop us a line in the comments below. Thanks for reading!

Filed Under: Kits

Best lift kits for the 2007-2017 Silverado and Sierra

Updated August 15, 2020 by Jeff Hart

Welcome to our guide to lifting the 2007-2107 Silverado/Sierra!

Whether you’re looking to improve ground clearance, run bigger tires or just want to make your truck look better overall by lifting it, this is for you.

This guide will help you compare your options as we take a look at the most popular kits for lifting Silverados and just how they work to give your truck some altitude and attitude!

We’ll start with leveling kits that raise the front only, and then go over the options for even more lift, all the way up to some of the highest lift kits available.

Leveling Kits

As you can tell from this picture, from the factory these trucks have a forward rake to the way that they sit. It’s about a 2 – 2.5″ inch difference, meaning the front of the truck sits about 2″ lower than the bed.

If you’re looking to get rid of or reduce the factory rake, and make your truck look a lot more aggressive without compromising in ride quality, a leveling kit is what you want.

There are a few different ways to go about leveling your truck, and the following kits are the best ways of doing it:

2007-2017 Silverado/Sierra 1500 Leveling Kit

  • Rough Country Spacer Leveling Kit

This kit by Rough Country is the best option for leveling the 1500. Made from durable delrin, it’s designed for longevity and corrosion resistance, which means you can rest easy knowing that it will probably outlast the rest of your trucks suspension.

The reviews show nothing but people that are happy with their purchase of this kit. On the rare occasion that anyone has less than stellar things to say, it usually comes down to an error during installation. Rough Country’s claims of easy install and 2″ lift are confirmed by multiple Chevy/GMC 1500 owners.

Rough Country (1307) 2" Front End Leveling Kit

Rough Country (1307) 2" Front End Leveling Kit

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Amazon
as of February 20, 2021 11:08 pm

Features

  • Give your GM 1500 the perfect blend of performance, protection, and style from Rough Country.
  • Increase Ground Clearance for On and Off-Road Obstacles | Maintains Smooth, OEM Like Ride.
  • Levels the Front with the Rear | No need to disassemble your Struts to Install.
  • Easy at Home Bolt-On Installation, Supported by RC.
  • Backed by Rough Country's Lifetime Replacement Warranty

Spacer Leveling Kit Installation

This picture illustrates where the spacer goes (spacer shown in blue.)

Installation is a breeze compared to most suspension lift kits:

chevy/gmc leveling spacer

  1. Unbolt the two lower strut mount bolts and the sway bar.
  2. Pry the lower control arm down enough to slip your new spacer in between the lower strut mount and the LCA.
  3. Install the new longer bolts and torque to spec. That’s it, you’re done!

2011-2017 Silverado/Sierra 2500HD and 3500HD Leveling Kit

  • ReadyLift 2.25″ Leveling Kit

The 2500HD and 3500HD Silverados will need a different type of lift for the front suspension, as these trucks are heavier and are designed to carry more weight than the suspension setup on the smaller and lighter 1500.

These trucks use a torsion bar type suspension setup for the front, which can actually be adjusted to lift your truck in stock form already, although cranking the torsion bars up with factory keys does make your truck ride rougher.

The reason to get a lift kit for this suspension setup is that while its possible you can adjust the ride height in a stock torsion bar setup, you are still limited in the range that the factory torsion bar keys allow.

This kit replaces the factory torsion keys with a set that moves the point of adjustability up the scale, so that your range of adjustment starts with a higher lift point at the minimum torsion setting.

These keys allow you to have a higher lift potential (up to 4in higher) all while maintaining the factory ride quality.

ReadyLift 66-3011 2.25" Leveling Kit for Silverado/Sierra 2500HD/3500HD 2WD/4WD 8 Lug

ReadyLift 66-3011 2.25" Leveling Kit for Silverado/Sierra 2500HD/3500HD 2WD/4WD 8 Lug

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Amazon
as of February 20, 2021 11:08 pm

Features

  • Ideal for obtaining a level stance on your 2011-UP HD truck and maintain the factory ride.
  • Torsion keys are forged for ultimate strength and powder coated for lasting corrosion protection
  • Retains the OEM factory ride while lifting your vehicle to a level stance
  • against manufacturer defects in materials and workmanship for the life of your vehicle
  • Installs easily in about an hour - professional install recommended

3.5″ Lift Kits

If your goals area bit higher, like wanting to fit 35″ tires, then you’re gonna need to a lift kit that gives a little more height than just a front leveling kit would.

This is where a 3.5″ lift kit comes into play. The higher lift will give you the space that you’ll need in the wheel wells (with maybe some minor trimming) for larger tires up to 35’s, while also increasing your ground clearance over obstacles.

2008-2017 Silverado/Sierra 1500 4WD

  • Supreme Suspensions – Silverado Lift Kit 3.5″

silverado sierra 1500 3.5

The best 3.5″ kit for the 1500 is this one by Supreme Suspensions. It has everything you need to lift without affecting ride quality.

It includes the lower spacers like you saw in the previous leveling kit, and adds a spacer for the top of the strut assembly, which gives you the extra lift. Splitting up the spacers like this is a very good idea, as you don’t want to have too much of a spacer on one end of the strut, as that would affect the suspension geometry.

The kit also comes with the blocks that you need for the rear lift to match the front, and the extended u-bolts that you’ll need when adding blocks to the rear leaf springs.

Also included is a differential drop kit, which keeps the front axles at a better angle, to prevent them from wearing out faster than they should.

Supreme Suspensions - Silverado Lift Kit 3.5" Front Suspension Lift + 3" Rear

Supreme Suspensions - Silverado Lift Kit 3.5" Front Suspension Lift + 3" Rear

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as of February 20, 2021 11:08 pm

Features

  • COMPATIBLE WITH 2007 - 2020 Silverado 1500 6-Lug (2WD 4WD) and 2007 - 2020 Sierra 1500 6-Lug (2WD 4WD). *Does NOT Fit 2007 Classic Models or 2019+ Chevy TrailBoss or AT4 models. Not compatible with models equipped with ARC (Adaptive Ride Control) / MagneRide / Auto-Ride / Air-Bag / Auto-Leveling Suspension Systems or 2015+ vehicles equipped with factory stamped steel upper control arms.
  • CONTENTS: (2x) Aluminum Front Top Strut Spacers, (2x) Delrin Front Bottom Strut Spacers, (2x) Steel Rear Tapered Lift Blocks, (4x) Square Bend U-Bolts, (2x) Axle Alignment Shims, Installation Hardware, Installation Instructions, Supreme Suspensions Pro Pack
  • TECHNICAL NOTES: 3.5 inch front and 3 inch rear suspension lift. Please note that spacer thickness to lift height is NOT a 1:1 ratio; it is recommended that you measure your vehicle ride height before and after to see the full lift amount has been achieved. *Also, Z71 and LTZ models have factory rear blocks installed - rear lift height will vary depending on factory block size being replaced.
  • INSTALLATION: Easy bolt-on installation takes 3 to 6 hours without the need for special tools. An alignment is always recommended if you are altering the height of your vehicle.
  • BENEFITS: Improves the look of your vehicle and increases ground clearance, allowing you to fit larger custom rims and tires.

2011-2017 Silverado/Sierra 2500HD and 3500HD

  • Tuff Country 2500/3500HD 3.5″ Lift Kit

This Tuff Country kit is the most comprehensive and best overall 3.5″ lift kit for the 2500HD and 3500HD Silverado/Sierra.

Included in the box is everything needed to maintain ride quality while allowing for a higher stance and larger tires (up to 35’s with some minor trimming.)

Tuff Country ensures that they produce a high quality kit by keeping the manufacturing in-house in the USA. They powdercoat all applicable parts for longer durability than cheaper painted parts. The limited lifetime warranty is another indication of how they stand behind their products.

The kit is designed for ease of installation, no cutting or welding is required, simply bolt on the replacement parts in place of the factory stuff.

Parts list is as follows:

  • Heavy Duty tubular upper control arms with polyurethane bushings (corrects front suspension back to factory geometry even with the torsion lift)
  • Torsion keys for maximum lift adjustability while retaining ride quality
  • Cast iron leaf spring lift blocks for the rear suspension
  • Extended U-bolts for the rear lift block installation
  • Front shock extender brackets (shock replacement not required with this kit)
  • Differential drop kit (keeps the axles from wearing out prematurely)
Tuff Country 2500/3500HD 3.5" Lift Kit

Tuff Country 2500/3500HD 3.5" Lift Kit

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Amazon
as of February 20, 2021 11:08 pm

Features

  • Package Dimensions: 20.32 cms (L) x 35.56 cms (W) x 54.61 cms (H)
  • Product Type: Auto Part
  • Package Quantity: 1
  • Country Of Origin: China

4-6″ Lift Kits

silverado sierra 6 inch lift kits

If the 3.5″ lift is just not enough for your truck, or you want to run even bigger wheel and tire combos, then you’re going to need a more serious lift kit.

4-6″ kits have much more ground and wheel clearance, but there are also alot more parts to replace when going this route.

Below are the comprehensive kits that include everything needed to give you the big lift that you’re looking for.

2014-2017 Silverado/Sierra 1500 4WD

ReadyLift 693414 Lift Kit

ReadyLift 693414 Lift Kit

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Amazon
as of February 20, 2021 11:08 pm

Features

  • Not for use with 2014-UP Z71 OFF ROAD with taller Rancho front struts. Standard Z71 (not Z71 Off Road) okay
  • Extremely durable finish
  • 100% Bolt-on for easy installation
  • Includes a completely different differential drop mounting system with machined billet circular spacers
  • Factory changes to the spindle/upright allows us to include the super strong heavy duty ball joints

2014-2018 1500 Silverado/Sierra 7″ Lift

Rough Country 7" Lift Kit (fits) 2014-2018 Chevy Silverado GMC Sierra | N3 Loaded Struts/ N3 Shocks | Suspension | 29833

Rough Country 7" Lift Kit (fits) 2014-2018 Chevy Silverado GMC Sierra | N3 Loaded Struts/ N3 Shocks | Suspension | 29833

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Amazon
as of February 20, 2021 11:08 pm

Features

  • Give your Silverado/Sierra the Perfect Blend of Performance, Protection, and Style from Rough Country.
  • Increased Ground Clearance | Premium N3 Pre-Loaded Struts and Shock Absorbers the best in performance for on and off road use.
  • High clearance crossmember design gives unmatched offroad capability
  • Fabricated blocks are stronger and a longer lifespan than cast blocks. Anti-axle wrap rear blocks maintain stock ride quality
  • Backed by Rough Country's Lifetime Replacement Warranty - Shocks/Struts 3 Year Warranty

2011-2017 2500/3500 Silverado/Sierra 6″ Lift

Fabtech K1046DL RTS System

Fabtech K1046DL RTS System

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Amazon
as of February 20, 2021 11:08 pm

Conclusion

We hope this guide has helped you to decide which kit is best to buy for lifting your truck. If your have any questions, comments or concerns, feel free to reach below.

Thanks for reading!

Filed Under: Kits

Duramax LML EGR Delete Kit

Updated December 10, 2020 by Jeff Hart

duramax lml egr delete Welcome to our guide for the LML Duramax EGR delete!

The aim of this guide is to compare the best ways of removing the EGR valve and cooler, which are part of the factory emissions system on your Duramax.

Speaking of emissions, the EGR removal goes hand in hand with deleting the DPF, and a lot of lml owners go for installing both kits at the same time in order to eliminate both of the failure prone emissions systems at once. Keep in mind however, these types of modifications are only for off-road trucks, or for countries without diesel regulations.

It’s a great way to kickstart your truck’s performance and efficiency. Let’s take a look at some of the benefits.

Benefits of an EGR Delete

The main benefit of removing the EGR system is that hot and sooty exhaust gasses will no longer be fed back into your intake, which has always been a problem when dealing with diesel engine longevity and efficiency.

This translates into lower intake temps. Your turbo will spool up faster and heat up your exhaust less, which means lower EGT’s. Your coolant will also be able to recirculate much faster, which means lower coolant temps.

You can expect to see an increase of a few MPG and HP after blocking off or removing the EGR system.

Duramax LML EGR Delete Kit

When putting together the parts for your EGR delete, you’ll have to consider which route you want to take with the kind of kit that you get. Basically, there’s an easier way to remove the EGR that takes about 3-6 hours to install, or there’s the full delete option that takes longer.

At the bare minimum, when removing the EGR on the LML you’re going to need some blockoff plates, hoses for rerouting the coolant and a tuner to edit the ECM.

If you don’t already have a tuner, take a look at the best options for the LML.

Once you have a tuner, the only other parts you’ll need for the basic EGR delete option are the block off plates and coolant lines, which are often sold in kits like these:

EGR/Cooler Delete Kit Options

  • LML EGR Delete Kit 
LML EGR Delete Kit

LML EGR Delete Kit

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Ebay.com
as of February 20, 2021 11:15 am

2011-2016 GM 6.6L Duramax LML EGR Delete Kit

Increases off the line torque and horse power. Completely replaces/removes the entire EGR system.

Enjoy quicker turbo spool and lower EGTs along with faster re-circulation of the coolant resulting in lower coolant temps. An EGR Delete capable race tuner is required in conjunction with this kit.

Installation Instructions

Click Here for directions on how to do the install for the block off plate and cooler removal.

If you’re doing it the easier way, you can skip the steps where you unbolt the downpipe and up-pipe. Instead, you simply install the up-pipe block off plate and keep the EGR portion of the up-pipe intact.

Full LML EGR Delete Kit

While the regular easier EGR delete is great for most people and will be sure to give excellent results, there are also those of us who are looking for a way to completely remove any unnecessary crapola from under our hoods.

This is where the full EGR delete kit parts package comes into play for the LML.

Be warned, doing it this this way requires a lot more work, but it’s the only way to go when you are trying to get the most out of your truck.

In addition to the block off plates, you’ll also want to get the following two parts in order to remove anything and everything associated with the EGR system.

EGR Delete Up-Pipe

  • Mophorn 6.6L Duramax Heavy Duty Ugraded 304SS Up Pipes W/Gaskets 01-16 GMC Chevy

    Mophorn 6.6L Duramax Heavy Duty Ugraded 304SS Up Pipes W/Gaskets 01-16 GMC Chevy

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    Amazon
    as of February 22, 2021 3:43 am

    Features

    • 【High Quality Material】- Made from 304 stainless steel and capable of anti-corrosion.keeps perfect performance while working.
    • 【Faster Turbo Response】- With 53% greater flow over the stock GM Up-pipes power will easily gained and back pressure will be reduced.
    • 【Specially Design】- Using an extremely strong fish scale type round welding around the ring, damage to the bellow outlasting the competition can be prevented.
    • 【Convenient Installation】- Direct bolt-on replacement to factory manifolds.
    • 【Vehicle Fitment】- 2001-2016 GMC Chevy Sierra Silverado 6.6L LB7, LLY, LBZ, LMM, LML Duramax.

LML Duramax Down Pipe

  • PPE 117000600 Performance Parts & Miscellaneous Accessory

    PPE 117000600 Performance Parts & Miscellaneous Accessory

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    Amazon
    as of February 22, 2021 3:43 am

    Features

    • Easy and flexible to use
    • Package Dimensions: 59.055 H x 13.97 L x 17.145 W (centimetres)
    • Package Weight: 2.948 kilograms
    • Country of Origin : South Korea

More performance parts to consider

If you’re tearing your truck down far enough to do the full delete, there are some parts in the way that would also be good candidates for upgrading while you’re in there.

LML Duramax Cold Air Intake

aFe Power 51-74006-1 Momentum HD Performance Intake System (Dry, 3-Layer Filter)

aFe Power 51-74006-1 Momentum HD Performance Intake System (Dry, 3-Layer Filter)

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Amazon
as of February 22, 2021 3:43 am

Features

  • Outflows the factory intake by up to 52%. Produces an additional 22 horsepower and 57 lbs. x ft. torque max gains
  • 3-Layer non-oiled, washable synthetic media for the perfect balance of performance, protection and convenience
  • High quality one-piece housing with auxiliary air scoop
  • Unique (Patent Pending) filter-to-housing interface for easy installation
  • This product is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles
Conclusion

Hopefully this guide has given you a better idea of how to remove the EGR system on your LML.

If you have any questions or comments, be sure to drop us a line below!

Filed Under: Kits

6.7L Cummins DPF Delete Kit

Updated February 24, 2021 by Jeff Hart

Want to extract more power and get better fuel mileage from your 6.7L Cummins powered truck? On this page I cover just how you can do that, by outlining the parts required for a complete DPF and EGR delete kit.

Removing the DPF and EGR systems allows your off-road truck to breath much easier and run much more efficiently than it does being constantly strangled by the factory emission systems.

Below is the list of required parts that you will need for a complete delete kit for a 6.7L Cummins engine, as found in the 2007+ Dodge diesel trucks.

One warning first though: if you plan to operate your truck on roads in the United States, your emissions systems have to be operational. Deleting emissions systems is for off-road use only. If you live in a country where this is not a concern, read on to find out the parts you’ll need.

Best Cummins 6.7L DPF Delete Tuner

  • RaceME ULTRA DPF Delete Programmer 07.5-16 Dodge Cummins 6.7L

When looking for a tuner for performance diesel tuning and DPF/EGR deletes, you need to make sure that the tuner you choose is actually capable of working with your diesel truck’s computer to remove the codes that are associated with DPF and EGR removal.

You can find a lot of different tuners available for the 6.7, however there are only a few tuners that have the ability for a true DPF and EGR delete.

H&S and RaceMe are the best available tuners that have this capability for the 6.7 cummins. Both of these tuners can delete the DPF and EGR codes with or without a custom tune.

RaceME ULTRA DPF Programmer 07.5-16 Dodge Cummins 6.7L

RaceME ULTRA DPF Programmer 07.5-16 Dodge Cummins 6.7L

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Ebay.com
as of February 25, 2021 9:48 pm

Cheapest Cummins DPF Delete Tuner

  • H&S Mini Maxx Tuner for 6.7L Cummins (Unlocked/Race/Delete Version)

It’s slim pickings these days for a tuner that can handle deletes right out of the box on so many models like the H&S Mini Maxx can. That ease of use makes it pretty much the only choice for a delete tuner on a budget. There are some excellent custom tuning solutions out there that can compete for price, but the pre-loaded tunes on the Mini Maxx race version will make the whole process much simpler.

Plus, for the money you’re getting a programmer that also acts as a gauge display, and a diagnostic scanner.

H&S Mini Maxx DPF Delete Race Tuner Ford, Chevy & Dodge

H&S Mini Maxx DPF Delete Race Tuner Ford, Chevy & Dodge

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Ebay.com
as of February 25, 2021 9:48 pm

The Mini Maxx race tuner is part of the next generation of diesel downloaders from H&S that offer everything a diesel owner could want, all in one high-tech unit. Exclusive to H&S Performance, the Mini Maxx offers the flexibility of shift-on-the-fly tuning, as well as giving you the ability to monitor vital engine statistics at a glance. The full color, high resolution screen allows the user to view up to four parameters at one time.

DPF Delete Pipe

A race exhaust will replace the section of pipe where the DPF filter currently resides and gives the exhaust a straight shot from the turbo back to the muffler.

It is crucial to have the tuner installed with this delete pipe, otherwise you will throw the truck’s engine computer into limp mode because it won’t be able to use the sensor readings to initiate regen anymore.

Installation is fairly straightforward, usually the hardest part of replacing exhaust is super-heated rusted hardware, in some cases requires heating or cutting of exhaust studs, make sure to have a torch handy!

  • 2007-2012 Race Pipe for Dodge Ram Trucks w/ 6.7L
Downpipe w/ Race Pipe 2007-2012 DODGE 6.7L

Downpipe w/ Race Pipe 2007-2012 DODGE 6.7L

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Ebay.com
as of February 25, 2021 9:48 pm

Only for 2007, 2008, 2009, 2010, 2011 and 2012 trucks.

  • 2013-2018 Full 5″ Exhaust Turbo Back 6.7L Trucks
SS1673 5" Turbo Back 2013-2018 DODGE RAM 6.7L 2500/3500

SS1673 5" Turbo Back 2013-2018 DODGE RAM 6.7L 2500/3500

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Ebay.us
as of February 25, 2021 9:48 pm

Designed specifically for the 2013, 2014, 2015, 2016, 2017 and 2018 Dodge Ram 2500 and 3500 with the 6.7L Cummins.

EGR blockoff kit

  •  2007-2009 6.7L Cummins trucks

EGR removal kit for 2007.5-2009 6.7L Cummins

EGR removal kit for 2007.5-2009 6.7L Cummins

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Ebay.us
as of February 25, 2021 9:48 pm

Designed specifically for the 2007, 2008 and 2009 Dodge Ram 2500 and 3500 with the 6.7L Cummins.

An EGR delete gives you lower running temperatures, improves your throttle response, much better fuel economy, and WAY better reliability!

This kit completely removes the EGR system and bypasses the cooler.

All metal parts are CNC machined from high quality aircraft-grade 7075 aluminum for a perfect fit.

  • 2010-2020 6.7 Cummins trucks
EGR Delete for the 2010-2020 6.7L Cummins Dodge Ram

EGR Delete for the 2010-2020 6.7L Cummins Dodge Ram

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Ebay.com
as of February 25, 2021 9:48 pm

Designed specifically for the 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, and 2020 Dodge trucks with the 6.7L Cummins

Throttle Valve Delete

  • 2007-2017 Dodge Ram 2500 3500 4500 5500 6.7L Cummins
Banks 42788 Monster Intake System W/Fuel Line-2007-17 Dodge/Ram 6.7L 3.5 Natural

Banks 42788 Monster Intake System W/Fuel Line-2007-17 Dodge/Ram 6.7L 3.5 Natural

Check Price
Amazon
as of February 25, 2021 1:52 pm

Features

  • Made of high quality material designed to last a long time
  • Engineered for any and every type of four Wheeled Automotive vehicle
  • Made in the United States

Conclusion

Hopefully this guide has given you a better idea of the options available for removing the restrictions of the DPF and EGR systems on your 6.7 Cummins. As always, if you have have any questions or ideas for us, make sure to leave them in the comments below. Thanks for reading!

Filed Under: Kits

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