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Customer Reviews (4,843 total)

Big Dog J ★★★★★
Oct 07, 2026

Order arrived on time and excellent quality part

Order arrived on time and in good shape. Fast and easy to order. Part was very good quality

Joseph Parent ★★★★★
Oct 07, 2026

It’s been about 6 weeks since deleted my trk, 21

It’s been about 6 weeks since deleted my trk, 21 ram 2500 the diesel dudes kit has been great. I did have a few questions when installing but Tyson helped me through it. My questions were asked promptly. If I where gonna purchase another kit I would definitely order it with the full exhaust instead of the delete pipe just my preference

Customer ★★★★★
Oct 07, 2026

Great kit, no issues with any of the

Great kit, no issues with any of the parts!

Daemondwest ★★★★★
Oct 07, 2026

If your looking to delete and tune your vehicle

If you’re looking to delete and tune your vehicle the diesel dudes is the way to go. My buddy runes the diesel dudes tunes and I was beyond jealous. I’ve had a deleted truck for years and was never satisfied! No smoke, no good MPG, tunes always felt weak or never felt the difference between tune 1 and 5. I don’t even have the diesel dudes tunes loaded yet and I already know all of those will greatly improve. Adrian helped me through the purchasing process and the installation and genuinely made it feel like he cared. I will hands down run the diesel dudes until I drive a gasser

Christian Flores ★★★★★
Oct 07, 2026

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

Art ★★★★★
Oct 07, 2026

Got the EZLink Tyson helped me out with questions

Got the EZLink Tyson helped me out with questions and concerns great team associate.

Name ★★★★★
Oct 07, 2026

Tyson was a big help on this project

Tyson was a big help on this project. Everything fit perfectly.

Andrew ★★★★★
Oct 07, 2026

Wiring Kit

Had a small issue with an order I placed, emailed them and Tyson sent out what i needed

Leon Pelfresne ★★★★★
Oct 07, 2026

Tuner Harness Plug Kit

Worked as described

Kent Schroeder ★★★★★
Oct 07, 2026

New truck kit

The kit came in three different shipments, but that didn’t bother me. Just the anticipation of installing it. Everything was easy to install and the truck runs like it’s supposed too. Thanks guys and gals that helped.

Kirk Harvey ★★★☆☆
Oct 06, 2026

Could be better

Dpf delete pipe fitment was not good. Had to reshape hangers. Still bolted up to down pipe crooked, but its not leaking so I guess that's good enough. Had to make a trip to the parts store for a 3/8-3/8 hose connector for the egr delete because a 1/4-1/4 connector was supplied with the kit to connect two 3/8 coolant lines.

Kevin Salinas ★★★★★
Oct 06, 2026

Unlike other competitors, DD pays attention to

Unlike other competitors, DD pays attention to its customers. Highly recommend. Thx Casey

Doug Bialza ★★★★★
Oct 06, 2026

Best Delete Kit and Support on the Market!

After buying my first diesel truck, I quickly realized I didn’t know nearly as much as I should have. Like many others, I ended up spending far too much money on repairs just to keep the truck stock.

The final straw came after replacing the EGR cooler. While towing my trailer, I broke down on the side of the road and found myself stranded, waiting for a tow truck. Frustrated and fed up, I started searching for delete kits right there from the shoulder of the highway.

Thankfully, TheDieselDudes showed up in my search, backed by outstanding reviews. I was so impressed that I literally ordered the kit while parked on the on-ramp, waiting for the tow truck to arrive.

A few weeks later, with the help of some knowledgeable friends, I had everything installed and was back on the road. The difference was incredible, more power, a better sound, improved reliability, and a much happier owner behind the wheel.

If you're considering purchasing anything from TheDieselDudes, don’t hesitate. Their products are excellent, and their customer support is second to none. They’ll work with you every step of the way to ensure you’re completely satisfied with your purchase.

Quirino Vela Jr ★★★★★
Oct 06, 2026

2021 ford f250

Everything arrived safely and in a timely manner.
Very easy to install with EZlink auto agent. Today will be my longest trip with the installation around 500 miles will report back after this long trip. So far seems to be working fine. Would definitely recommend to others that are interested in installing this kit. Tunes seam to be solid and the shift on the fly to me is the way to go. But you also have the option to just load a single tune .

Jonathon ★★★★★
Oct 06, 2026

Awesome kit! Would recommend these guys to anyone

Dusty ★★★★★
Oct 06, 2026

Ram Cummins 6.7 Full Delete Bundle | 2019-2021

Exact fit, quality parts, fast shipping, excellent service! Very responsive techs helped me through the tuning process! Highly recommend thanks Diesel Dudes

Robert Malone ★★★★☆
Oct 06, 2026

5” exhaust with muffler

2008 lmm I bought the efi live and 5” exhaust with muffler. The exhaust is not to bad to install but you will need to cut the exhaust to make the muffler fit correctly.one of the exhaust hangers near the spare tire is too long and is against the spare tire. Not sure how to address this at the moment.

Dale Bailey ★★★★★
Oct 05, 2026

Product support

I did a bunch of mods to my ‘12 F350. Turbo intake piping innner cooler and such. I choose Diesel Dudes for the turner and tuning. Order and delivery was flawless. I started out dumping head with Ezlink tech. I contacted DD on the website. And Bam Jami for the support team jumped right in right at closing o. A Friday. Stayed late and listen to all my concerns and by Monday morning I was getting my problems taken care of. Thank so much Jamie for stepping up and giving me true support.

David Monti ★★★★★
Oct 05, 2026

Time install advice

Re Alex's phone call...Ih had just finished doing my Timer install when i recieved a call from Alex. After a review of my procedure and checking for DTC's, it was determined i was successful and could continue to hard part installs.
Customer input from me... it would be really great customer service if you provided a faster way for customers to get responses from you (the email report method is rather cumbersome when a person has dedicated time slots to do the work involved).

Frank ★★★★★
Oct 05, 2026

Dodge 6.7 diesel

Have not received the kit yet but these people really are nice and work with you to assure you get the right parts. They called me a couple times to verify that I will be getting the correct package. Customer service the way it used to be 39 years ago. Thank you all at Diesel Dudes.

KenLiber ★★★★★
Oct 05, 2026

Shipping issues

Had an issue with my local post office. Cynthia text me with the issue before I even knew it was a problem to correct it. Great communication. Problem should have been corrected. I will be installing full kit this week and review again once I have everything installed or should I say removed.

jesse samskar ★★★★★
Oct 05, 2026

2021 F250 full delete

No pictures to add to this review. Overall very happy with the kit and easy to install with the instructions.

Customer ★★★★★
Oct 05, 2026

Great customer service

Very happy with the service this company provides. We had a problem with the vin of my truck and Cynthia stayed in contact with and followed up with me to make sure everything was right. Will buy from them again. Highly recommend this company.

Wes Johnson ★★★★★
Oct 05, 2026

Bought a tuner for my truck that is working great. Had a lot of help from Ian and Tyson. Process was made as easy as possible.

Paul Reynolds ★★★★★
Oct 05, 2026

Flash succsessfull

I followed all procedures for flashing a duramax engine/ trans. The tune download from pc to device went well but the process was slightly different because the other company's program screen options were somewhat different but i have some limited tech experience so i figured it out. On the video for flashing the ecm with the tuner tool, the screen, options and layout were different on the other companies tool screen but in several video pauses I figured it out and between that video and the Dark Iron Diesel videos and written how-to, the flash was successful. Might be more confusing for someone else. My suggestion is to make a video with your own product screens and menus. All in all between downloading tune, programming tool, setting vehicle up for tune and the flashing process was all together under an hour. Also clearly stating to leave all emissions components hooked up accept for the throttle air valve while flashing on the written instructions and videos would help. Also cearly knowing to drive the vehicle moderately for 50 miles or doing a 50 mile relearn would be helpful. (Was wondering why the engine clattered on ecceleration and read that the transmission and engine take time to learn the new tune. Not supposed to get on it for a few miles ) Added all this to my review to help make it easier for your future customers. Thank you for this product.

Customer ★★★★★
Oct 05, 2026

2019 powerstroke diesel full delete

Just got finished with the installation.
Everything went just as planned. Thanks diesel dudes

Javan Flinn ★★★★★
Oct 04, 2026

Priority Processing

Customer ★★★★★
Oct 04, 2026

2019 RAM 2500 Cummins.

Delivery was quick and accurate. Follow the instructions and everything goes smoothly. The power gains are awesome and I love the sound and performance of the 4 inch with a muffler. As advertised!!!

Paul ★★★★★
Oct 04, 2026

Much easier than expected

I’m working 2,000 miles away from home and had to do it in the motel parking lot so they made sure that everything got to me at the motel. Easy Link was simple and tech support is top notch. I watched the Dark Iron Diesel video a few times to make sure I had the procedure down and went for it. I didn’t really know what to expect having to do it in a parking lot but their kit fit right in.

Herm Ramos ★★★★★
Oct 04, 2026

Quick service

Anthony was very quick on reply for an install a shop did for me. This is second truck we have done and both installations was easy and any questions have been answered quickly.

Definitely recommend. If my fleet grows, I will be buying another kit.

Wayne Denis ★★★★★
Oct 04, 2026

2018 Ram 2500

In my opinion…….. this is not a job for the faint of heart. That being said Deisel Dudes helped me get through this. MANY MANY MANY thanks to TYSON for his help and support. Interactions were made through emails /which I get cause personal calls would just lead to more conversations and tied up associates talking about all kind of personal crap. I’m sure they will also call and walk you through any issues. But with TYSONS help I got it done, MYSELF , in my barn, on my back .I did the full deleate including a 5” exhaust with muffler. Everything was included . The auto Lynk worked well. There something about ripping apart your expensive pride and joy to put it on a diet. Which is what makes it not for the faint of heart. But I got it done and TYSON was there for me and responded in a timely
manor. Going through the breakin/relearn now.

Customer ★★★★★
Oct 04, 2026

Makes huge difference

These tuners are legit, and definitely worth it! I had some minor initial issues on one of my trucks, but the Dudes fixed it, and all is well. My trucks are currently running better than ever!

Customer ★★★★★
Oct 03, 2026

Awesome parts

Very EZ to work with

Nick P. ★★★★★
Oct 03, 2026

5 Star customer service!!!

I reached out on a Saturday with a product question fully expecting to hear back the following week. Adrian responded in less than an hour (on a Saturday!) and was fully invested in my set-up and making sure not only that my question was answered but that I ended up with the right package/product for my truck based on how I use it. This company will have my business as long as I have this truck!

Melvin D Quinn ★★★★★
Oct 03, 2026

Great product and very fast

Great product and very fast shipping

Clay Yarosz yarosz ★★★★★
Oct 03, 2026

Amazing experience

Very good customer service and fast responses and overall a good experience

Travis ★★★★★
Oct 03, 2026

Revised tunes

Tyson was a great help, responded very promptly and got my revised tunes sent to me next day. Highly recommend.

Devin ★★★★★
Oct 02, 2026

5inch exhaust DPF delete

I had an issue with the shipping and I had to contact the customer support team and Anthony was absolutely amazing to work with he got everything sorted out right away for me with no issues and very thorough service and communication. 10/10 and I absolutely love the product amazing quality

SPIKE ★★★★★
Oct 02, 2026

Best upgrade ever

I just finished my delete today, new 5 inch exhaust. I went with everything the technician from Diesel Dudes recommended. It is unbelievable the difference. This is how a diesel truck should come from the factory. I cannot thank Diesel Dudes enough. Excellent products and quality.

KEVIN THOMPSON ★★★★★
Oct 02, 2026

Diesel Dudes are the best

Diesel Dudes are the best... Period

Brian Stephens ★★★★★
Oct 02, 2026

professional, courteous, and prompt.

I ordered a bundle delete kit for my truck. I received it within 4 to 5 days because I paid for priority shipping. I was very pleased with the communication between diesel dudes and myself. I had an issue with my tuner, however, the issue was with Race Me Tuner, not diesel dudes. However, Tyson, with diesel dudes made sure I got the return shipping cost I paid to return the item. I did pay for package protection and insurance. Diesel dudes continued to stay in communication with me throughout this process.

Melvin D Quinn ★★★★★
Oct 02, 2026

Can’t believe I waited to do this

Great service very quick shipping and installation was a breeze. Can’t believe I waited. Great power improvement and fuel mileage went from 14mpg to 21mpg. With that and no more def will pay for itself very quickly. If you are waiting and not sure about the purchase, take it from me, do it now. Thank you guys.

jimmy ellett ★★★★☆
Oct 02, 2026

Troubleshooting

John was awesome, he basically walked me through the entire process of troubleshooting my issue. Big shout out to John. Thanks go out to all The Diesel Dudes for such a complete delete kit.

Carson Carroll ★★★★★
Oct 02, 2026

Great kit absolutely no complaints

The kit came with everything you’d need to delete your L5P the only thing it didn’t come with any I would recommend would be to change your intake gaskets and air intake to your turbo. “Gaskets not included with kit” people have told me you can reuse them but better to replace to prevent boost leaks in the future! If my dumb dumb head and my dog can delete my truck you can too! Call the help number anytime and they’ll help with any questions you might have! Super easy instructions and videos on line! I used Dark Iron diesels video for most of it.

Either way, 5 stars great kit great tunes truck went up in fuel mileage and sounds amazing!

Thomas ★★★★★
Oct 02, 2026

Eco diesel/ customer service

Absolutely love my delete kit for my 2016 eco-diesel. Easy simple instructions for installation and just a complete revamp of the truck itself. Truly a way to preserve your investment for years to come. I recently had an issue where all the tunes came off due to the decline of the tune company involved on the older tunes. Reached out to customer service and Anthony helped guide me into a quick and easy solution. Getting me the new technician name and making sure to follow through with me every step of the way. Thank you, Anthony and team for your amazing customer service and taking care of your customers throughout changes and difficulties

Bill Gersbach ★★★★★
Oct 02, 2026

Accurate instructions and increased performance

The supplied instructions and video links made the removal and programming clearly understandable and straightforward. From Florida to Arizona, towing a little utility trailer, I got 19.2mpg with plenty of power and responsiveness. So far so good. Love it.

Blair Sandall ★★★★★
Oct 01, 2026

1-Year Extended Warranty Full Bundle

Bernie ★★★★★
Oct 01, 2026

Great customer service

Had a small issue with my order. Tyson was able to get it resolved within 24 hours. Great company, great employees!

Stevyn Morales ★★★★★
Oct 01, 2026

Customer Support on ECM swap

Casey from diesel dudes support was extremely helpful getting my tunes transferred.

Taylor Thurlow ★★★★☆
Oct 01, 2026

Barb fitting, and hoseclamps

Barb fitting for the coolant line is undersized, and hoseclamps are trash. Other than that, everything else worked without issue.

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