OBDii Flash Delete Tuning Interface | See menu buttons to add all extras including tunes

Chevy / GMC Duramax 2017-2023

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Instructions
No installation manuals available for this product at this time. Request a manual here.
Shipping

We offer fast and free reliable shipping for all customers to ensure that you receive your products as soon as possible. Shipping generally takes 3-8 days to transit to you depending on where you're located in the US and Canada. Hawaii, Alaska, and other remote areas may take longer and invoke further shipping expense. Please contact us if you're want more information.

Returns

We understand the importance of clarity in our return procedures, both for our customers' peace of mind and for ensuring a smooth process. We've outlined our updated guidelines to facilitate efficient returns here.

On Sale!
Recommended Add-ons

Complete your kit with these upgrades!

Add-on | 8 qty Credit Pack (required amount to tune L5P)

USD419.99
USD419.99
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Why would I want this?

8 credits are required in order to flash the truck with the MPVI3 HP Tuner.

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Add-on | GDP Tunes Package | Chevy / GMC L5P Duramax

USD899.99
USD899.99
Tunes
Add Single Tune
Add SOTF/MULTI Tunes Package
Don't Add
Add
Why would I want this?

Tunes are customized software adjustments for your vehicle's engine control unit (ECU), optimizing performance parameters such as fuel injection and ignition timing. Upgrade for increased horsepower, torque, and overall engine efficiency.

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Add-on | DPF RACE Pipes

USD399.99
USD399.99
Material
Aluminized Steel
Stainless Steel
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Why would I want this?

DPF Delete Pipes enhance engine performance by removing the Diesel Particulate Filter, reducing exhaust restrictions for increased power and efficiency.

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Add-on | Race Exhaust System

USD699.99
USD699.99
Material
Aluminized
Upgrade T409 Stainless
Size
Don't Add
Add
Why would I want this?

This race exhaust starts at the downpipe or turbo depending on truck make & allows the removal of the catalytic converter and DPF filter as well as the DEF tank.

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Straight Through Muffler

USD139.99
USD139.99
Size
3 inch
4 inch
5 inch
Don't Add
Add
Why would I want this?

Upgrade your truck's sonic profile and performance with our advanced mufflers. Features include a straight-through flow path for optimal performance, a non-directional design for flexible installation, and durable stainless steel mesh and fiberglass construction for longevity and resilience against harsh conditions. The straight-through design minimizes back pressure, boosting overall performance. Brand varies depending on size needed and truck.

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Add-on | Cab Chassis

USD299.99
USD299.99
No items found.
Don't Add
Add
Why would I want this?

Drivers' door vin stamp will say "incomplete vehicle" if you have a cab chassis truck. Cab Chassis Trucks take specialty SCR & DPF Delete pipes along with specialty EGR Delete kits. This upgrade is included if you select this option.

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Add-on | Downpipes

USD299.99
USD299.99
No items found.
Don't Add
Add
Why would I want this?

Downpipes improve exhaust flow by reducing restrictions, resulting in enhanced turbocharger efficiency and increased horsepower. Upgrade for better performance and responsiveness in your vehicle's exhaust system.

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Add-On | S&B Cold Air Intake

USD419.99
USD419.99
No items found.
Don't Add
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Why would I want this?

An S&B Intake enhances your vehicle's performance by optimizing air filtration, leading to improved engine efficiency and power. Upgrade for increased horsepower and better fuel efficiency.

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T304 Stainless Steel Tip

USD99.99
USD99.99
Color
Black
Chrome
Size
Don't Add
Add
Why would I want this?

Upgrade your truck's exhaust with a Stainless Steel Tip for a sleek look and lasting durability, resistant to corrosion and harsh weather conditions. Elevate your vehicle's style and performance.

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CAN Communication Plug Kit

USD299.99
USD299.99
Select Year
2017-2019
2020-2023
Don't Add
Add
Why would I want this?

The Plugs Will Go In Place Of The NOX And DEF Module. The Looped Wires Will Provide A Closed Signal Back To The ECM For Proper Operation. With The Plugs Installed You Can Remove The Modules And Store Them If You Plan On Going Back To Stock.

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ECM SEND IN OR E41 UNLOCK OR NEW ECM

USD599.99
USD599.99
Type
ADD E41 HP UNLOCK KIT (UNLOCK THE ECM IN YOUR TRUCK)
ECM Send In
ADD NEW ECM (KEEP YOUR FACTORY ECM FOR GOING BACK TO STOCK)
Don't Add
Add
Why would I want this?

An ECM (Engine Control Module) upgrade enhances your vehicle's engine performance by optimizing fuel injection, ignition timing, and other parameters. It can result in increased horsepower, improved fuel efficiency, and a more responsive driving experience

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PREMIUM CNC EGR DELETE KIT | 2013-2018 RAM CUMMINS

USD199.99
USD199.99
No items found.
Don't Add
Add
Why would I want this?

Allows complete removal of the EGR system. No more plugged or leaking EGR system. Includes all necessary hardware and gaskets. Increases fuel economy. Enhances engine longevity.

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Choose Your Upgrades
Buy Now
USD599.99

Product Information

Product Description

2017-2023 CHEVY /GMC L5P L5D DURAMAX REGULAR AND CAB CHASSIS TRUCKS

ADD WHAT IS NEEDED VIA THE ADD-ON MENUS TO BUILD THE EXACT DELETE KIT YOUR TRUCK NEEDS.

FAQs:

What do I need to add via the add-on options to delete my truck?

  • HP TUNER OBDii Flash Delete Tuning Interface
  • 8 Credit Pack
  • DD Tunes
  • CAN Communication Plug Kit
  • DD ECM Unlock OR E41 ECM OR ECM Send in (ECM if sent in comes back ready to go - select this for easiest option)
  • DPF Delete Pipes OR Race Exhaust System
  • Downpipe (Add this IF you want to eliminate the CAT in factory downpipe)
  • EGR Delete Kit (Or unplug EGR and leave in truck)

HP LEVELS

STOCK, 50, 100, 150 & 200*

(*225HP WITH air intake, downpipe & 5in exhaust)


Upgrade Your E41 ECM Right in the Garage/Shop!

Conveniently upgrade your E41 ECM, found in the 2017+ Chevy Silverado and GMC Sierra 2500/3500 6.6L Duramax trucks (L5P and L5D applications), without removing it from the vehicle. Upgrade your E41 ECM in 20 minutes or less! This ECM upgrade kit enables read, write, and special functions in DD Suite software using an tuner (with Pro Feature Set) or our custom interface. The new E41 ECM Upgrade Kit gives DIY enthusiasts and professional tuners a convenient option to perform the ECM upgrade on their 2017+ Chevy Silverado/GMC Sierra 6.6L Duramax in their own garage/shop. The best part? There’s no need to remove the ECM from the truck. This means there’s no risk of breaking tabs during the removal or reinstallation process.


This kit also doesn’t require any reprogramming or relearns.

No IMMO relearn

No crank relearn

No need to perform “Replace ECM” function

From start to finish, you can upgrade your E41 ECM in roughly 20 minutes—all you need is this upgrade kit, device (with its supplied USB A to C cable), and a Suite-compliant computer with the latest version of BETA.

Once the ECM is upgraded, experience the industry’s most comprehensive diagnostics and tuning package using Suite with full scan, data log, read, edit, and write capabilities. Plus, experience the quickest write times in the industry—approximately 6 minutes!

EGR RACE Kit
Cooler Upgrade Kits remove those concerns with the EGR from the equation, components install with an exact fit resulting in a longer lasting & better running truck, less turbo lag for better throttle response, cooler engine temps, less weight and a cleaner looking engine bay. 
MANUAL FOUND HERE


DPF RACE Pipes/Exhaust Systems.
The DPF/DEF Delete is a DPF RACE pipe or a full 4 or 5 inch exhaust system (depending what is selected) from down pipe back entirely replacing your old exhaust systems, meant to work in conjunction with the Tuning.

We send only the highest end systems, Custom T409 Stainless or FloPro Race Exhaust systems depending on what is available at time of order.

    Powerlevel Options

    HP LEVELS

    STOCK, 50, 100, 150 & 200*

    (*225HP WITH air intake, downpipe & 5 inch exhaust)

    Product Compatibility

    Chevy / GMC
    Duramax
    2017-2023 L5P/L5D

    Other Information and Resources

    Satisfied Customers

    Hear what our customers have to say about our diesel parts.

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    Works awesome. Thanks I appreciate you.

    Don

    Allison

    finally got it done. amazing power difference and I think the fuel economy will be better when I get through playing with it.

    Clayton

    Keenan

    Exactly what I needed and wanted.

    David

    Murphy

    Everything fit and is working very well. Order was delivered faster than expected. Would recommend this kit to others.

    Marland

    King

    I'm waiting on the rest of the stuff but the employee or employees I've been dealing with have been super kind and helpful. Thanks

    Tom

    Fern

    Exhaust came in on Tuesday. Well packaged and perfect box. Got the truck completely done today. Slow day at the shop so I got it all done. I want expecting that much power honestly. What a difference. Already 3.5mpg better. Truck is a monster now. Shocked really. Sounds sick too!!!! Thank you guys for the product, communication. Perfect. It's like a new truck.

    Harrison

    Lansdale

    Truck is back to running like it should thanks

    Johnny

    Quarles

    You nailed it, great products and a great price!

    Jeremy

    White

    The service that was provided was phenomenal. Couldn't have asked for better service. Placed my order and arrived on a timely manner taken into account I live in Louisiana. Truck sounds great. Thanks again.

    Josh

    H

    Installation for exhaust was pretty straightforward. Internet connection is slow where I live, so download of the tune was pretty time consuming. Also had to take off my dashboard to access unlock location for ECU. On the upside, easily added 3mpg - sometimes a little better when taking it easy. Amazing to get almost 30mpg (sometimes low 30's) out of a 1/2 ton pickup truck.

    Jeffrey

    Burns

    I am more than happy with it. I have completed the DPF removal and straight pipen install. I have not removed the EGR. I can say that I have picked up more power and 3 more mpg towing. I have an 8k pound bumer pull camper. There is a little black smoke when I punch it; none if I drive "normal". My wife said it is louder, who asked her. I have been on the fence but your price and the extra $100 off, with free shipping was the factor. Thanks for the entire process from ordering to installation videos.

    Scott

    Stribling

    I'm very happy with the service and the fast response when I had any questions thank you very much

    Eliazar

    Awesome parts and shipping

    Dan

    Tompkins

    You did very well thank you so much.

    Terry

    Conk

    Initially hesitant about deleting, I found that it turned out to be the best thing I could have done. As a result, I no longer experience exhaust service lights, and there is no lagging when I step on the accelerator. Additionally, I have noticed an increase in fuel mileage.

    Adam

    B

    I'm very impressed by the sound and power it makes when I get on the throttle(WOW😁)

    Eddie

    B

    Very happy with my order. Could have used some instructions on the install. Thanks Youtube. Also don't really understand the trans tune. Didn't get any verification it was installed on the tuner or even how it is installed. Don't even know if I really have it.

    Tracy

    Funderb

    John, I'm a big thumbs up on your team overall. Very pleased with the level of support prior to, during, and after the changes I made. The number one differentiator between your team and others is the ability to pretty quickly get a live person on the phone and if needed for them to remote into the laptop connected to the vehicle. There were a few issues, but quickly addressed and or your guys confirmed for me what was happening and that all was well and as expected. Good work by all! A+ so far! Thanks Chris

    Chris

    M

    A PLUS. Everything was perfect. Tunes work as they should. Drivability is better than factory programming. Very happy and will buy from again.

    Keith

    Weston

    You guys are great! ")

    Betty

    Sutherland

    Truck runs like a scalded dog! Had issue with muffler not being sent with original order and had to switch to EZ link tuner. Other than than N that, very pleased

    Carlos

    Martinez

    Everything worked perfect, on time, and you even answered an email overnight!!! You got my 5 Stars guys!!! 👍 Thanks for a great product!

    Jeff

    Delk

    Truck runs great now. Thank you.

    James

    Vournas

    good tunner worked the way they said.

    Bat

    Hats off to diesel lion. I purchased my 6.7 ford tuner approximately three weeks ago I received my tuner within three days of ordering, which was fantastic. Wasn’t expecting it for a week to a week and a half. when I received it, I opened up the box to see what came with it and noticed the gauge wasn’t in the box was planning to put it on the upcoming weekend was very disappointed at the time. I thought I was gonna have a heck of a time trying to get a hold of them and resolve the issue I first called them no answer then email them got an answer with an hour after hours. I sent them photos of what I received in the box and the person that have been talking to said he would send me one out, I thought well it’ll be another week or two before I received it. I got it within two days again very very happy with their response and concern they sent me a whole new unit very appreciative to diesel lion the way they handled it very very happy with them. Long story short if you need to order tuners or anything and need good service order from diesel lion they will take care of you. Thank you again diesel lion. If there’s anything else I need I will definitely order through them. Thanks again Cardel Howell.

    Cardel Howell

    Howell

    Product was not really compatible with the C/C as turbo is smaller so GDP will only give me 1 tune. I understand why but, I bought the 5 position switch was so I could adjust power as at times I do not tow and others 30k lbs. Other than that like the tune and GDP tech line was very, very helpful So can't use the 5 position switch but will keep until I install a larger turbo as per GDP. Thanks for the product and it really sounds like a truck now.

    Bill

    King

    A highly recommended group of people. WIlling to help on what would normally be out of business hours. I'll be coming back for their help in the future.

    David

    Finn

    Incredibly happy runs way better mileage increased and muffler with 4" exhaust is perfect. Thanks again

    Anthony

    Guilian

    Awesome Great job 👏

    Jeff

    Cooper

    Great kit. Truck runs great. I went from 16.2 highway mpg to 19.9 highway mpg. The kit did not substantially increase exhaust noise, the truck is still quiet for a diesel. I am very pleased. I can now go down to grand isle fishing and not have to worry about my truck saying in 50miles your truck will only go 50 mpg. What a relief!

    Steven

    Unkel

    Truck runs great thank yall

    Fabian

    Benavi

    These guy(s) are great! Knowledgeable, friendly, helpful. Highly recommended.

    Ken

    Kilby

    EFI Live easy to work with! fast shipping! Thank you

    CHRIS

    SWAIN

    Everything went good on the install

    BJ

    Putman

    Yes really good love it

    Juan

    Bravo

    Awesome company, great products/tunes!! Very fast customer service!

    Brock

    M

    Everything went well. Thank you very much

    Tom

    Honrath

    Very helpt and really like the quick reply's to any question I had Thanks

    Steve

    Jones

    Thanks for selling these kits! My truck runs like a champ. It was super easy to update the SCT and flash the ECU. I was a little worried but there was good instructions!

    Angel

    Proven

    Thanks for the promoptly sending my order. Everything fit great. I'm totally satisfied!! Thanks again!

    Darrell

    Blackw

    The products that I bought from your company are outstanding and your customer service is second to none thank you for all of your help. I will recommend your company to everyone. THANK YOU VERY MUCH YOU GUYS ARE AWESOME

    James

    Milburn

    The kit was great and super easy to install. I didn't see the transmission tune.

    Ralph

    Franks

    Hey, it all went well the freezer did the trick (on mm3), it all went back to stock and then everything loaded on. It's awesome, I am very happy truck runs like a dream transmission is buttery soft. Very impressed. Thanks for all your help and good service ií will definitely recommend you to my friends. Thank you again

    Paul Morgan

    Lawrence

    I am extremely happy with my product I ordered. Easy installation and everything was well packaged.

    Ray

    Moyer

    I'm really happy with the Ecodiesel delete kit, which comes with an ECM and transmission tune.,My first impressions are really positive.,I installed this kit last weekend and the results have been outstanding in terms of power and fuel efficiency.,My 2016 3.0L Ecodiesel was in bad shape, stuck in 'limp mode' due to an electronic throttle fault and a DPF that was completely full.,The dealer wanted to charge me over $3,000 to replace the DPF filter, but I decided to do the installation myself.,While it was a tough process, it was definitely worth the effort.,After completing the hardware installation, I cleared the engine codes and downloaded the ECM/transmission tunes.,I went for the 40hp tune, and I can really feel the difference - there's better throttle response and a 2mpg improvement on rural roads so far.,We'll have to wait and see about the long-term durability, but I'll definitely update if I run into any issues.,Overall, I'm really pleased with the product, the instructions, and the customer support.

    Don

    B

    Lower RPM when cruising on the highway at 70! 1600 RPM and also a nice gain in mileage.

    Brian

    J

    Great service. Fast shipping. Great product. Will do business with you guys again!! A++

    Joe

    Caddick

    THIS WORKED AS IT SHOULD-NO PROBLEM INSTALLING -THANKS

    Mark

    Camarra

    Very happy with the kit, everything fits and performs well.

    Joe

    Murphy

    Works great nice setup

    Cristian

    Larios

    Yall did great! Fast service and overall great experience!

    Travis

    Puryear

    Thank you this worked it was file E! Tunes are great

    Nick

    Coley

    Great!!!

    Doug

    Candler

    Received everything very quickly!

    Greg

    Rinkes

    Instructions would be awesome. But overall very happy with products performance

    Kyle

    Roose

    This kit was the best thing for my truck it like a brand new truck run so good an is bad ass fast now thanks again for great kit an service

    Jeff

    Watkins

    Product was great. Easy installation. Great improvement over stock.

    Ron

    Pontius

    The kit was just what I needed. The only thing is there one of the hose connections that is plastic and should be metal. I swaped it out with a metal one and all is good. Thanks for shipping the kit quickly.

    Chad

    Loker

    If I could give you guys a 10-star review I would I've also reached out to a lot of my friends that also drive diesels and forwarding your guys's information to them so that they can purchase the delete kits also a couple of my friends have fleets of trucks so they will be in contact I appreciate you guys thanks for being awesome

    Ian

    Lewis

    Everything worked out perfectly. Super happy.

    Rian

    Mckinnon

    Excellent service and parts... Fast shipping!

    Jonathan

    Coo

    Small issue with shipping on time but 5 stars

    Richard

    Parks

    I am wicked happy with the kit I received. I was proud that I was able to do the installation.

    Clifford

    Camp

    Packages arrived and in good shape. When I had any questions someone would follow up with an answer. My RaceMe Ultra was easy to install and had no problem with the EGR delete kit. I did have a problem with my pipes due to the bend in the pipe that replaces the muffler. Only 2 ways I could put it. The bend up or down would not let me hook up my hanger mounts for support.

    Geoffrey

    Rose

    THANK YOU!

    Shane

    It was easy and it makes the truck run better

    Chris

    Lagorga

    I would just like to say thank you for such a great system your team sold me. I had everything I needed and made this kit installation go very smoothly. I was very nervous going into this, my boys kept telling me it will be fine. The Agent 3 device was such an easy install it was crazy. Everything connected very easily and meshed well with my Banks equipment I added with it. When I have heard folks say it will wake up your truck, I had no idea until I started driving it. Completely different truck. Thank you for supporting this equipment and making this high value upgrade a smooth one. I definitely am spreading your name out there.

    Gary

    Morrison

    Easy to install, great service, the mini max is working great. Thank you!

    Pascal Pepin

    I pull a 48ft car hauler with my 2014 Ford 1ton, 5.9mpg and the truck would overheat. Installed the delete kit, no more overheating 12.8mpg. AWESOME THANKS

    Bryan

    Aaron

    Well let's just start this out by saying I have a 16 ram 6.7 and I ordered the ezlynk with the LION package shipping was very fast and everything was complete I deleted my rig it took a complete weekend because we had a little hiccup with the ezlynk not hooked to a technician but as soon as GDP opened the problem was completely fixed the five position switch was perfect and everything functions great the tip for the 5in exhaust is completely over the top but as a dump would look great I'm very pleased with the tunes just took my camper on a 80 mile journey and have ZERO complaints now the truck is a beast I highly suggest you go with DIESEL LION for the simple fact that it was very easy to install and use ...... on a side not I do also recommend headstuds!!!! Definitely worth it THANK YOU DIESELLION.COM for everything I will be sending business your way with all my friends

    Casey

    S

    Very satisfied with the results of the Tow Haul tune, good service and fast shipping. I do however like talking to someone on the phone more than communication thru email. (I'm just a little old school I guess)

    Mike

    Moyers

    Everything works great and the whole process was much more simple than I expected. I will definitely be recommending you to others. Thank you!

    Brent

    Kramer

    Fast shipping and good fitment

    Mitchell

    White

    Works great thank you so much 5 stars

    Jamie

    Moore

    It is amazing! Truck runs like a dream!

    Luis

    Morato

    Worked great, will use again if needed!!

    Dale

    Cagley

    Everything went well. Took me 4 hours to complete, solo. Only gripe I could have (which I don't) would be the lack of instructions for the bracket that bolts to the exhaust. Took me a while to figure that out as the instructions showed a different set up. Preciate the kit. Have recommended to other folks.

    Cordy

    DD

    Yes I'm very happy with the kit I got it in and it's working great.

    Jim

    Jones

    Could have been better on shipping notifications on tracking numbers. I had to keep on the situation of my order by constantly emailing for tracking#'s but I finally got my products and I am very happy with the end result.

    Chris

    Click

    Good service prompt delivery!

    R

    Bersano

    Thank you, you guys were great to work with and my order came 2 days before I thought it was.. I will definitely use you guys again thanks again

    Ted

    Perry

    Great product will be ordering more very soon!

    Jaron

    Hastings

    Everything in the kit ordered worked great! I am a happy customer and will likely purchase again!! Thanks for the great products. Thank you for your time.

    Tony

    Russ

    The kit works great. The DPF and DEF deletion pipes fit perfectly. The EGR Kit had everything I needed and the RaceME Ultra was easy to install. The way the truck runs now is awesome, The horsepower and fuel mileage was exactly what I was looking for. The fuel mileage on my 2017 Dodge with the 6.7 cummins with from 15-16 MPG to 24-26 MPG on the highway and from 11-12 to 18-19 in town. I'm extremely happy with my purchase. Thank you.

    Dave

    Peevey

    Everything I have ordered so far has installed and functioned without fail. Shipping has been prompt. Customer service has been knowledgeable. I would recommend these products.

    Joe

    Murphy

    My feedback on Jeep Cherokee | Ram 1500 3.0L Eco Diesel EGR DPF DEF Delete Kit: Very happy with the setup. Some issues I had was the exhaust hitting the transmission mount. The bend that it comes with was not enough so it rubs. It needed better instruction for the "Jeep" model EGR Delete. All I could find was for the Ram. The Ram is slightly different than mine is, routing back to firewall heater core hose, mine does not have that and I had to simply cap a line off. The upper had the holes drilled in wrong spots for my metal tube coolant input. I just cut your bracket and deadhead the input side from just the loose piece. Otherwise I am happy I do not have the crap egr,def,and the dpf is gone!!!

    Eric W Fulton

    thanks again the truck runs great went from 27 to 32 mpg

    Darwin

    Grewe

    %100 great service awesome timing on parts!

    Jesse

    Ward

    Yes, I am definately happy with the products and services I purchased from you! The shipping was fast and secure, arriving within 5 days of ordering. Thank you for a great shopping experience, I have several friends looking for similar products and services, and have directed them towards your company. Thanks again for everything-

    James

    Dean

    yes working good so far

    Steve

    Noriega

    Did exactly what I wanted.... And would definitely recommend

    Greg

    Borgman

    Great so far seems to be exactly what yall described thank you

    Marty

    Waggo

    Awesome fast shipping

    Mike

    Bumpus

    Worked great! The kit had everything I needed to fix the issue.

    Tommy

    Johnson

    I like it, the install wasn't too bad. Wish it would've came with instructions, that would make it a lot better.

    Marcus

    Moore

    I just finished installing the RaceME Ultra and complete EGR, exhaust system kit. This woke my truck up like never before and it runs great. Technical support was a great help and Michael answered all my questions in a timely manner. Looking forward to many miles with no check engine lights. Thanks again for all your help.

    Doug

    Miller

    Great company to work with. I had a problem with my order and they took care of it right away. I would recommend them to all my friends.

    Dave

    S

    Very pleased with it, customer service was great with any questions, only issues I had was that electrical connector plugs were not available along with a better option for switch that would of had a direct connector without splicing. Thanks

    Rich

    Harris

    Great! Thanks!

    Goat

    Snob

    Exactly as described. I love it my miles per gallon on the highway or approximately 25 miles per gallon now at 78 miles an hour on cruise on level ground. Very happy. Not to mention all the extra horses

    Jerry

    MCcool