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Customer Reviews (4,847 total)

Customer ★★★★★
Mar 18, 2026

Delete bundle

Happy with my delete bundle and the communication with the diesel dudes

Jon Zimmerman ★★★★★
Mar 18, 2026

Props to Cynthia in customer service

I bought my delete kit last year and opted not to install the SOTF knob. Fast forward to yesterday when I decided to change my tune from a single tune to a SOTF tune and had forgotten that my original delete bundle kit came with that knob. I purchased the knob yesterday for $99 and within prob 30 minutes, Cynthia called me to inquire about the knob and stated it should’ve came in my original bundle. How awesome is it that she reached out to me and ultimately saved me from spending money when I didn’t need to!? Most companies would’ve just let me spend the unnecessary money just so they could make the sale. Cynthia promptly refunded my credit card. Can’t say enough positive things about my overall experience with this company.

Customer ★★★★★
Mar 18, 2026

Very simple and straightforward

Tunes are good, runs well, tcm flashed okay, had to disconnect power afterwards to clear codes but is good now. super simple, a trained monkey could use the platform. Bite the bullet, it's worth the price.

Paul Stringer ★★★★★
Mar 18, 2026

Nice to talk to a real person

Answered all my questions and got me what I wanted

Steven Stoltzfus ★★★★★
Mar 18, 2026

Fast shipping, very helpful people

Thomas Barnes ★★★★★
Mar 18, 2026

Perfect choice

Everything fit like it should,,, arrived super fast,,, ezlink paid for itself in many ways already

Ryan Roberson ★★★★★
Mar 18, 2026

You wont be disappointed with The Diesel Dudes

Everything went well from the selection process, Ian was great help there. Casey was great responding to emails after the install with general questions i had. No issues with the install or tunes. Highly recommend!!!!

Customer ★★★★★
Mar 18, 2026

2016 lml delete kit

Everything was easy to install and fit perfect.

My 2018 Ram 3500 6.7 ★★★★★
Mar 18, 2026

My Pre upgrade review for my 2018 Ram 3500 6.7

My purchasing process was problem free and all the part's were delivered in a timely manner. I've not gotten back to our main home in Washington state but will be there by the end of this month and will get the kit installed. Can't wait to see and feel the difference from stock. You guy's are the best and I've told my friends to get their kits through the Diesel Dude's and No body else. Thank you

Customer ★★★★★
Mar 17, 2026

Full diet

Easy to do. Exhaust was not the funnest. Recommend a lift if possible. But all in all I recommend the job. Absolutely love mine. Instructions were easy to follow. I also got the dummy plug kit. I like the cleaner look of it. Now I just need to remove the def tank.

KRIS KOLB ★★★★★
Mar 17, 2026

Perfect fit

Plugs were delivered fast and fit perfectly. Solved what could be a nightmare of corrosion otherwise.

Marcus Cox ★★★★★
Mar 17, 2026

Very satisfied

Everything shipped as expected. All parts arrived undamaged and fit on the truck as advertised. The EFI Live worked just as expected, and the quality seems to be worth the money. The video resources were a game changer, with the step by step instructions. Very helpful and I’m very satisfied.

Customer ★★★★☆
Mar 17, 2026

Ram Cummins 6.7 Full Delete Bundle | 2019-2021

Dawson Goodsell ★★★★★
Mar 17, 2026

Very happy

Tunes are good very clean not hot and Smokey and can be anywhere from stock to mild to wild

Eric Tillotson ★★★★☆
Mar 17, 2026

Overall good purchase

The pipe kid I received wasn’t milled the best but with a little elbow grease will go together. Wish there was more options for tuning. Understand I also have a 2020 so that is probably a reason. 8.5/10

Kevin l howell ★★★★★
Mar 16, 2026

Tuner Harness Plug Kit | Dodge Cummins 6.7L 2019-2024 | Shibby Engineering

Ethan ★★★★★
Mar 16, 2026

16 LML Delete

5’’ stainless exhaust went in good for my truck. Highly recommend watching dark iron diesels videos they help a lot.

Devin J. ★★★★★
Mar 16, 2026

Impeccable Support!

I’ve got a kit I bought over a year ago and have continued to work on my truck and change tunes. I’ve communicated with Tyson on multiple occasions and every time I’ve gotten a recommendation not only to make things easier but to prolong the life of my truck. Never takes too long to get the right answer, just impeccable support!

John ★★★★★
Mar 16, 2026

Coordinating shipping

Working with customer service to resolve a shipping issue.

Tyson did a great job resolving the issue and getting the part delivered immediately!

Thanks Tyson! 🙂

Chris K ★★★★★
Mar 16, 2026

Diesel Dudes are true patriots

Can speak highly enough about this group, fear not your in great hands with Diesel Dudes

Robert Dollard ★★★★★
Mar 16, 2026

Priority processing

It is worth it if you need in a hurry got it within a week.

Lee Trevino ★★★★★
Mar 16, 2026

Order and parts review

John was amazing at getting back to me very quickly! All my exhaust wasn’t shipped out and he got on it asap and got it reshipped asap! Amazing customer service!

Jorge Mercado ★★★★★
Mar 16, 2026

Great Kit!

Kit had everything needed to do the delete, it was all packaged well, and came quickly. Tuning was simple following the directions, no issues at all. I would recommend you get your own heater hose, as the ones in kit could be a bit longer, I used my own hose. Other than that, good buy. Truck runs like a raped ape!

My 2018 Ram 3500 6.7 ★★★★★
Mar 16, 2026

My order review

I haven't gotten my kit installed yet, but from what I've read and the looking at the kit everything looks great. I'm looking forward to when it's all installed and I get out on the road to feel and see the difference over stock.

Jacob Loos ★★★★★
Mar 16, 2026

Great products and great help.

The products I ordered were great. The support I asked for was exactly what I needed. Everything went together well once I laid it all out. I am sure I will have more questions and when I do I know they will have an answer for me.

Isaac Paull ★★★★★
Mar 16, 2026

RaceMe Ultra Dodge Ram 6.7L Cummins | Delete Tuner

thomas spencer ★★★★★
Mar 16, 2026

great product

easy to use great product i highly recommend

Louis Wiersum ★★★★★
Mar 15, 2026

2017 Delete

Great equipment

sterling crawford ★★★★★
Mar 15, 2026

Sounds great and fit great

Gary Hoffman ★★★★★
Mar 15, 2026

Great Service From The Diesel Dudes

Order my delete bundle ang got a very well made kit. Shipping was fast and the quality was very good. I would recommend this company for their high quality products, they had great communications and handled everything in very professional manner. Would buy again from them!

Michael Flook ★★★★★
Mar 15, 2026

MDGA (Make Diesel Great Again)

Wesley Young ★★★★★
Mar 15, 2026

Great kit

Made my truck come alive instill EZ link just under 7 hour's complete delete mileage from 19 too 24 first drive I'm sure it will go up even more that's with stock tune can't wait to try the other 4 GREAT JOB GUYS

Larry Thompson ★★★★☆
Mar 14, 2026

Not accurate on their tune files.

Jeff Allen ★★★★★
Mar 14, 2026

Universal 4 optimal flow muffler

Seems to be a good quality muffler.
Truck has a good sound and not super
Loud.

Adam Sippel ★★★★★
Mar 14, 2026

6” exhaust tip

Looks much better than stock and fits perfectly with Diesel Dudes 5” exhaust pipe!

John Veysey ★★★★★
Mar 14, 2026

Received damaged part from shipping.

My 1st box to arrive for my full delete kit for my 6.7 cummins arrived with a damaged coupling. I spoke with Tyson of the support team and he was able to remedy the problem and get the new coupling shipped out. I am awaiting the new part and hope the rest of the parts arrive and install goes smoothly.

Ashley Greer ★★★★★
Mar 14, 2026

Tuner Harness Plug Kit | GM/Chevy 2011-2023 | Shibby Engineering

Rob ★★★★★
Mar 14, 2026

Great product!

This is the 5th Auto Agent 3 I have purchased, no issues with any of them. Tech support even responded after hrs when I had an install question. The tuning has worked flawless for every install! Diesel Dudes is amazing and is my go to and recommended supplier to Make Diesels Great Again!!

Mike Wilson ★★★★☆
Mar 13, 2026

Decent sweatshirt

Good quality overall the only thing I don't understand is why they have a V8 instead of a straight inline 6 for a Cummings motor just my thought but overall decent sweatshirt

Bryan Thomas ★★★★★
Mar 13, 2026

Everything in bundle came as advertised and was easy to install.

I wanted to share a bit about my experience installing the kit. Overall, I found the installation process relatively straightforward, though the most challenging part was definitely removing the exhaust. Despite that hurdle, it was absolutely worth it—the truck now runs much stronger and performs the way it truly should have straight from the factory.

Looking back, I wish I had installed this kit at the same time as the Banks Monster Intake and Killer Grid Heater Upgrade, since having both completed now has made a noticeable difference. With these upgrades, the truck not only sounds fantastic but also runs incredibly well. The improvements are impressive, and I couldn't be happier with the results.

Thanks for providing such great products!

Clay Brazington ★★★★☆
Mar 13, 2026

Runs great now!

All works great but did have to buy a 45 degree 4” elbow to hook up tail pipe and straighten the pipe with the slight bend in it, other than that we are very happy with how it runs and sounds now.

Bill Pinger ★★★★★
Mar 13, 2026

Tuning on 2015 GMC 2500HD

Tyson was super helpful in walking through reoccurring issues and getting revised tunes sent out to fix the issue.

Scott ★★★★☆
Mar 13, 2026

Great Customer Support 2009 Dodge Ram 3500 Mega Cab

I have not fully completed the install of the Full Delete kit (EFI Live) on our Dodge 3500 but so far the help from John at customer service has been excellent. I bought the kit several weeks ago but haven't had the opportunity to intall it until this week. After watching the videos I was able to complete the first part which was to install the patch and the tune. I had a check engine light for an injector that was installed about a year ago but for some reason it was not programmed to the ECU. I was concerned about it causing an issue with the tune but after exchanging some emails with John and getting some help from the engineers about the tune I got it flashed and the injector issue did not have any affect so far. The patch and the tune went smoothly. Then the fun part of removing the exhaust. I was able to keep the exhaust intact but for this year I had to remove the transmission crossover brace under the transmission in order to remove the downpipe from the turbo due to the curve of the pipe and the clearance. I also had the muffler addition so the only thing I had to do was cut out about 5-6" of the straight pipe so the muffler would fit at the end of it.
I really want to thank John again for all the help and the quick replies to all my various emails in during this install. I still need to get the EGR removed but I will wait until I get some more time and better weather. So far the truck runs great. The difference in the truck is very noticeable. You don't have to push the throttle as much to get the truck to move and the responsiveness on the highway is much better. The engine is not working as hard and excellerates smoothly. My wife pulls a three horse trailer with the truck and she said it works great. I am looking forward to getting the whole thing completed and adding in the SOTF switch for the different HP modes.

Customer ★★★★☆
Mar 13, 2026

Ram Cummins 6.7 Full Delete Bundle | 2013-2018

CJ ★★★★★
Mar 13, 2026

Ecodiesel full delete

This was quite the character building project for someone who only dabbles with vehicle projects. Thanks to the well laid out instructions, the videos and to the awesome customer service. Especially Tyson at The Diesel Dudes who helped me with quick responses to all my questions. My Ecodiesel runs so much better.
Thanks Diesel Dudes!

Robert Breeden ★★★★★
Mar 13, 2026

Love the tune

Raised my fuel mileage by almost 3 mpg! More power and no more def. Win win

Customer ★★★★★
Mar 12, 2026

Perfect fit

Anthony Haag ★★★★★
Mar 12, 2026

Ez Lynk Auto Agent 3 for Ford Powerstroke 2008-2022 | Delete Tuner

Nate T ★★★★☆
Mar 12, 2026

Mostly good

The exhaust came with a hole in it, it would have leaked. Luckily had a welder on hand so no harm no foul. A bit frustrating when they charge more than others, I expect QC to be better. Tunes are great and they are very responsive to emails.

Chris K ★★★★★
Mar 12, 2026

2017 6.7 delete

Unreal results from the delete, went from 16 MPG on my f350 to 21.3 in the first week. Thank you Diesel Dudes

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