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Customer Reviews (3,827 total)

Bill Hinman
May 22, 2026

Help even on the weekend

I emailed the help center with a question on Friday night. I didnt expect to get a response until the next week. However Tyson emailed me back on Saturday morning and had an answer to my question by Sunday. I was very impressed. Thanks Tyson!

Mike Stuart
May 22, 2026

Good service so far.

Kit is not yet installed but when one of the boxes got lost by a courier John, from Diesel Dudes Customer Service, got to work immediately and had it delivered to me promptly. Well done sirs. I can't wait to get it done and review the completed install.

PHILLIP DEGRAFFENRIED
May 21, 2026

THESE GUYS ARE GREAT

THESE GUYS ARE GREAT
GREAT PRODUCTS AND GREAT SUPPORT

Mike Levonick
May 21, 2026

Adding muffler

Had a question about adding a muffler to my truck that i deleted from diesel dudes and answered the question right away

Jim Morrison
May 21, 2026

Throttle valve

Easy, straight forward install.
Excellent workmanship on the product.

william crossley
May 21, 2026

EZ lynk

I purchased a EZ lynk for my Dodge ram 2017 3500 with the drop pipe after reviewing all the information that was presented from diesel dudes and iron horse diesel. The installation went very easy.

After installing the new program for the engine and reprogramming my transmission. I had a few questions about the settings. I got a response within one hours and within 24 hours I had my answer and it was very clear and easy to understand I would definitely tell you that this is a good product. before I change the system out, I was getting 12.5 miles to a gallon now I’m almost getting 17 miles a gallon love it.

michael calonge
May 21, 2026

Wow

Did a full delete with this stuff and wow what a difference.

Tim Moore
May 21, 2026

I'm so glad I purchased the Bundle for my Chevy Colorado 2017 2.8 diesel

The diesel dudes are awesome sitting up my tune for my truck it runs so good now like a new one and has lots more power.Anthony was very helpful with anything I needed help with a great guy I would recommend that you are planning to do your diesel use the Diesel Dudes very great people

Drew Marquis
May 21, 2026

Harness plug kit

Everything worked as intended, deisel dudes products are worth every penny!

Larry Memmer
May 21, 2026

Delete EGR, DEP

I had no issues with the kit I bought from the The Disel Dudes! Everything went in smoothly and I currently have a stock tune on and my truck runs great no issues just better diesel mileage! Very happy with their products!! Also bought the plug kit and it works amazing as well! I gave them 5 stars on quality and ease of install!!

Deagan Sims
May 20, 2026

John is exceptionall

Good things to say all the way around. John was the cherry on top

Carmen Martinez
May 20, 2026

Good kit, no instructions

Yes, its pretty self explanatory, but at least a guide as to where each plug goes would be great, and save some time and headaches.

ronald garrett
May 20, 2026

Questions answered promptly

It has been about a year or more s8nce my delete and had a question about tunes working with dcr conversion on my 2011 ford 6.7. Jason promptly got back with me after checking and let me know it was fine. I appreciate his prompt reply since I was planning to do the install this week

Matt Warner
May 20, 2026

2017 Ram 2500 Review

Great product! I had to find the right soft tune for my truck. Specifically the right shift points due to the type of driving I do. Tyler helped me find it! Guy is solid as they come. Ask for him!

Ron Borello
May 20, 2026

PRELOADED EFI LIVE UPGRADE

Daryl Bilby
May 20, 2026

EFI Live Autocal

Very happy with my EFI Autocal the tunes are amazing, doesn't seem like the same truck.....

Tyler Lightner
May 20, 2026

Really easy too install

Caleb Drury
May 20, 2026

1-Year Extended Warranty Full Bundle

Steven Stewart
May 20, 2026

Went together like a charm, the download was easy and ran smoothly from the jump huge performance boost so glad I went with this.

Eric M
May 20, 2026

Customer Service

The Diesel Dudes are the definition of Great customer service, Ian and Josh in Sales to the after sale support. Tyson answered questions over the weekend which kept my project moving....very much appreciated!!

Donald Patty
May 20, 2026

Runs much better!!

Bought the delete for my 2018 Ram 3500 and had easy install instructions. Can be DIY. Takes a few hours and you will hear and feel a difference. When I had any questions, Jake and Tyson where quick to respond. Will recommend getting the full delete over just the egr. Awesome product!!

Trasyn Uhrig
May 19, 2026

6.7 Cummins delete kit

Arrived quickly, and in good shape, installation guide is very helpful

David Hinson
May 19, 2026

So far BA

Just installed big power pretty easy install
EzLynk is the only way to go
Only problem broke the bolts going into the exhaust manifold
Just welded the cover plate to it
No problem works like a champ haven’t seen too much increase in fuel economy a little bit so far, but I haven’t really taken it on the road very much yet so I will let you know other than that big power no more DEF Yay!!

Justin O’Connor
May 19, 2026

Great customer service, quick response

robert kelley
May 19, 2026

Delete and tune 2019 Silverado 2500hd

QUALITY PRODUCT WORKS GREAT AND ANTHONY HAS GREAT COMMUNICATION SKILLS

robert kelley
May 19, 2026

Delete and tune 2019 Silverado 2500hd

awesome product great customer support thank you Anthony for your communication skills everything went as planned!!!!

Serena Confer
May 19, 2026

Cummins Full Delete Bundle

I would have given 5 stars, but unfortunately when the shipment arrived from the carrier service, one of the pipes had been dented and we had to hammer it out before use. Packaging could be better. The Full Delete Bundle itself minus the shipping damage was great though and the instructions provided along with the use of their YouTube videos on installation. Everything you need is included and easy to install. It took a few hours but only because we had an old bolt break which is no fault to this kit. I've been running it for a few days, and I am impressed with the power that you can instantly feel. I would buy again and recommend to friends. Only advise to The Diesel Dudes would be to put the padding on both sides of the pipes so that they don't get bent or dented during shipping.

Lamar Sanders
May 19, 2026

Awesome Customer Service & Experience

This company knows how to do business and they do it well. Good quality product and great customer service, probably the best customer service ever.

Jaden Stevens
May 19, 2026

EZ LYNK Auto Agent 3 John and Adrian

Adrian in sales was easily able to look at my build sheet and knew exactly what I needed! John in support and has been so consistent in emailing me back very quickly and always answers my questions with ease! 100% Recommend this company, i’ll leave another review once I have the tuner on my dually!

Alonzo Villagomez
May 19, 2026

Awesome

Super fast delivery. Super easy install, instructions are great ezlink was awesome. I love it. Nice sound better acceleration just over all better. Thank you!

Jim
May 19, 2026

Drivability!

First it's a 2017 which was the first issue causing some consternation at the onset, which was quickly worked out. Since all previous communication was with the correct year it caused a lack of a five star review.
Everything was shipped over multiple days. I had the delete done before the instructions were emailed. This indicates that the process was straight forward.
Let's hit on the benefits of of the job. Power, oh my goodness. Driveability, oh my goodness. Fuel economy on the same trip i did in February was up 2.5 mpg although winter is summer fuel grade would have some effect on the economy just a little though. With the muffler option a 2.5 " trim was needed on the front pipe, no big deal, expected. I SHOULD HAVE DONE THIS TWO YEARS AGO WHEN I BOUGHTTHETRUCK

Roger Koberstein
May 19, 2026

2008 chevy delete

Fast shipping, helpful crew when ordering, did the delete in about 5 hours. Hardest part was getting the old exhaust out.

Mike Miller
May 19, 2026

Much better!

Engine runs cooler and response is faster. Thank you!

John Valchar
May 19, 2026

Great help

I want to thank Tyson for promptly answering my questions. I had a few questions on the noises I was hearing during acceleration and he got an answer right away.

Michael Mitchell
May 19, 2026

L5p tuner

Very nice product

Jared Qualls
May 18, 2026

Worked great!

Each connector fit as it should’ve and they made the process a little better knowing that the factory connectors will be protected from the elements.

Troy Evans
May 18, 2026

The best

I’d like to start by saying from the moment I contacted The Diesel Dudes, I was assisted in a professional, timely and very knowledgeable manner. From the beginning Ian was knowledgeable and cared about what I wanted not just getting the sale. Then I received the products 4 days earlier than expected, due to my lack of computer skills I was stumped on how to download the Black Bandit files, it wasn’t no time after I sent a request for help that I received a call from Tom in Texas. I was busy when he called and he was so kind to give me 5 minutes to get to my computer and get set up. He walked me through it like he was sitting next to me and he could see the screen. He stayed with me through the download process which is very simple just not my forte, all the way until I turned the key on the 2016 LML Denali and she fired right up. I know I am missing a couple of people from
There who truly should be recognized and I apologize. If you want to buy what you want and not what someone else just wants to sell you and you feel you may need some assistance, please give these folks a call. I don’t see how anyone could not be pleased with their product or technical support. I am one of these old school guys who reads these reviews and thinks man they just wrote that shit to look good. I am the real deal, no one paid me or gave me a damn thing to write this except professionalism and common courtesy. And these day's that is priceless.

Tom H
May 18, 2026

Very Helpful

Tyson was very helpful with my concerns and answered my questions promptly.

Jon Frazier
May 18, 2026

2017 F250 6.7

So far so good truck running great vary easy install only took a couple of hours. only thing I thought i would get better fuel mileage when towing. But around town im averaging 20 MPG

Brandon Gregory
May 18, 2026

ALL PARTS ARRIVED QUICKLY AND EVERYTHING FIT AND WORKED PERFECTLY

ALL PARTS ARRIVED QUICKLY AND EVERYTHING FIT AND WORKED PERFECTLY.GREAT CUSTOMER SERVICE AS WELL.

Brenna Henderson
May 18, 2026

Amazing Experience

I just want to thank Tyson for the help that he gave me throughout my experience. All questions were answered in a timing manner. Would 100% recommend them to anyone!!

dawn wilson
May 18, 2026

Excellent

Charles Rector
May 18, 2026

Throttle valve delete

Looks like good quality.

Charles Rector
May 18, 2026

Tuner harness plug kit

Good fit, will keep plugs clean.

Mac White
May 18, 2026

Incredible!!

Love it! Makes driving fun again. Diesel Dudes was great in every way. Happy with product and customer service/support.

Matthew Morrow
May 18, 2026

Great product

Everything was very easy to install…. Considering I was doing it myself…. Right after the install, I noticed the MPG going up…. So far it looks like I’ve gone up 4-7 mpg … I’ll know more in a few weeks once I get the average…. The performance is also great…. This is on a stock.2017 F250… the only thing done to it before was a cold air induction…
I have no complaints whatsoever… thank you very much for your product.

Michael McCraw
May 17, 2026

I had a check engine light within 10 miles after the install

I had a check engine light within 10 miles after the install. At first I thought “what did I just do to my truck?”
Turns out it was just a coincidence that my battery was going back and was not holding enough of a charge which caused the issue. After a new battery the check engine light cleared.
As far as the tune, unbelievable the power difference! I have the 70 hp increase tune and it’s a different truck! I will probably go with a milder tune for day to day driving and mileage. Thrilled with change!

Rikki Brewster
May 17, 2026

Overall decent kit

Overall decent kit. I will say the tuning went smooth. I can’t tell much of a difference between 1-5 on power but it runs great. Exhaust went on good also. My one complaint is the egr kit felt cheap. My last Cummins I deleted I went with a Canadian company and it was very well made. This one didn’t line up for crap and didn’t even come with a throttle valve delete which my last one did for cheaper. Shipped fast. Overall happy, glad to loose the weight 👍🏼

Meech
May 17, 2026

2022 Ram 2500 delete kit

Of course it took sometime to receive my kit due to manufacturing supply but diesel dudes emailed and called constantly keeping me updated which was much appreciated. Once it arrived my exhaust was damaged from the shipping company but was replaced with no questions asked. Yes, I had to make a service ticket but their response time is incredible. Even had Tyson the guy working with me use his personal time on the weekend to respond to me. 10/10 customer satisfaction. I’d 100% recommend their kit. I’m very pleased and happy. Took me a little over a day to install at home by myself. Now my 22 Cummins purrs like a kitty and roars like Lion. I’m in love again!

Bradley Thorne
May 16, 2026

Couldn't be happier

I'm very satisfied with the tune and EFI Live tuner I purchased from The Diesel Dudes. They ensured the tuning was correct and loaded on the Autocal prior to shipping and included all the cabling needed to flash my ECM. Shipping was prompt as well. All plug and play. I purchased all the hard parts from another vendor and completed a full delete using the Tunes from the Diesel Dudes. Customer support is prompt. I emailed with a question on the weekend and Casey replied first thing monday morning with an answer for me. Highly recommend Diesel Dudes for all your tuning needs.

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