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Customer Reviews (4,847 total)

Andrew ★★★★☆
May 12, 2026

2018 F150 3.0 Powerstroke

Everything came quick and as expected. I had an issue with the exhaust not fitting due to my truck being a long bed. I was admittedly very frustrated but Tyson from customer service was fantastic. We eventually got it resolved but recommend reaching out prior to purchasing if you have a non standard bed.

Clayton Sasser ★★★★★
May 12, 2026

Flawless installation and the quality of the components is top notch

Flawless installation and the quality of the components is top notch.
My only complaint has to do with the supplied hose clamps for the coolant bypass, i was able to use the stock clamp on the tank but had to source a smaller clamp for the bypass fitting, supplied clamps much to big.

Michael Slavinski ★★★★★
May 12, 2026

EGR removal

I was wondering if I needed to remove my EGR or simply disconnect. Tyson was able to answer my question promptly and accurately.

Gary Kolin ★★★★★
May 12, 2026

Universal Edge INSIGHT CTS3 MONITOR

Love it, It has a great display and it tell me everything I need to know!

Palmer newman ★★★★★
May 11, 2026

As everyone knows, the ram eco diesel from the factory is gutless. It was almost dangerous try to accelerate getting on the interstate and yes it would get over 30mpg if you stayed under 65 mph. Biggest problem being that it was chocked to death.That all changed drastically after I did the diesel Dudes delete and tune. It took some searching to get the right ECM and TCM combination. But it was simple to do and now that little turbo diesel is impressive, no problems getting on the interstate as it accelerates nicely, and know problem passing. I can still get up to 30mpg on the interstate and I averaged 25mpg. I would like to thank Casey for all the help. The back and forth communication was fast. Top notch customer support.

Ralph Noyes ★★★★☆
May 11, 2026

PRELOADED EFI LIVE UPGRADE

ED the fire guy ★★★★★
May 11, 2026

Wow what a great company and professional help

Tyson is the best for getting the rt tune and parts the first time this is are second kit wow what a difference the tunes have done my two trucks

Gil ★★★★★
May 11, 2026

I have experienced outstanding customer service.

I would highly recommend this company for quality products and excellent customer service. Technical support, especially from Tyson, has been most helpful and very promptly provided.

Sten Muchow ★★★★★
May 11, 2026

Great product

Its been a great experience dealing with the diesel dudes, shipping was prompt and customer service great

Customer ★★★★★
May 10, 2026

2016 ram full delete

Carlos Gonzalez ★★★★★
May 10, 2026

Nervous

Super happy with the results, just a little nervous driving around in California as you may know how these Californians feel about people like me 😜!!!

Chris Frederickson ★★★★★
May 10, 2026

Very happy

Im happy how fast it was to install

michael calonge ★★★★★
May 09, 2026

Great service and shipping

haven’t picked up the truck yet but great service and shipping

Tom ★★★★★
May 09, 2026

DEF/EGR DELETE WITH EFI LIVE

Overall happy with the product, the tech support was awesome, Casey was excellent with getting back to me on any questions I had.

DIRTY DEEDS DIESEL ★★★★☆
May 09, 2026

All installed and works fine, just some tips for buyers

The truck i worked on did not utilize the brass union or coolant hose provided, which was not a big deal because the iron diesel video shows the way to do it. However, the second thing is the vacuum cap on both the written instructions and iron diesel video show the cap going at the vacuum line where it ended at the egr cooler, I found that the cap does not fit well towards the egr cooler end, but if you remove the line completely, it fits extremely well over the nipple where the line gets completely removed. That being said, it all went together well, not all pieces needed, the buying guild said that it comes with 4 tunes but down below it shows 5 tunes when buying the bdx. Tune installed fine all
Is working good.

Marcus Graves ★★★★★
May 09, 2026

Outstanding customer support awesome tunes gained 4mpg

Outstanding customer support awesome tunes gained 4mpg. I’m much happier at the pump now! I’ll for sure use you from now on for future vehicles!

Mike ★★★★★
May 08, 2026

Customer service

Had a question about adding the banks ram air and intake and Anthony got back to me right away, very satisfied with the almost immediate response from the diesel dudes team!!

J McKillop ★★★★★
May 08, 2026

2018 cab chassis. Super easy install

The parts all fit great. EZ Lynk was very easy to use. Truck runs great with +70hp tune. EZ Lynk includes higher HP tunes but this is for a daily driver work truck. The only problem was broken egr pipe to manifold bolts breaking. Even after a week of soaking with penetrating oil. Get a Promaxx egr repair kit just in case. Restock used parts and sell it to the next 6.7 guy.

Charles ★★★★★
May 08, 2026

New toys

I have been blown away by the support I have received from John with tech support and Adrian in sales. They have been phenomenal in answering any and all questions I have had with my purchases from Diesel Dudes. They also came highly recommended by several of my mechanics friends who use them for their customers rides.

Kenny Riggs ★★★★★
May 08, 2026

Amazing will buy from them again
Super easy process and they always help no matter what

Chandler Larson ★★★★★
May 08, 2026

Great product

Ezlynk auto agent 3 is a great product for your diesel truck. Super easy to use, only took 10 minutes to program my truck and also works great for monitoring your truck without having to spend lots of money on aftermarket monitors or gauges. Very satisfied customer

Mitch Howell ★★★★★
May 08, 2026

Ram Cummins 6.7 Full Delete Bundle | 2013-2018

Gerad Harris ★★★★★
May 08, 2026

Why did I Wait?

Huge shoutout to John and his team at The Diesel Dudes for helping me get my 2017 F350 set up right. I honestly wish I would’ve done this years ago.

This truck is a completely different animal now. I went with the shift-on-the-fly kit and the 5” exhaust with muffler, and the difference is unreal. Setting 5 is absolutely insane — they claim a 230 HP gain and I 100% believe it. It’s honestly borderline scary how hard this thing pulls now. Since I tow heavy trailers most of the time, I usually keep it on level 2 or 3, which is perfect for daily use and towing.

The power delivery is smoother, throttle response is night-and-day better, fuel mileage improved, the truck sounds amazing, and best of all… the transmission finally shifts the way it SHOULD have from the factory. No more shift lag, weird hunting, or lazy shift points. Reprogramming the transmission made a massive difference.

I genuinely feel like I bought a brand-new truck.

Only downside? It smells like a diesel now. But honestly… it IS a diesel, so I guess that comes with the territory. Might as well embrace it.

My son and I installed everything ourselves in about 4 hours. We didn’t even remove all the emissions equipment under the hood — we simply unplugged components, changed the exhaust, and loaded the tuning and transmission programming.

If I ever buy another diesel truck, I would purchase from Diesel Dudes again in a heartbeat. Excellent product, excellent support, and a company that actually answers questions and takes care of people.

dawn wilson ★★★★★
May 08, 2026

Works better than expected

Chris ★★★★★
May 07, 2026

Great service

Great service, quick call back for my questions I had. Parts arrived quicker than expected, parts and were all correct. 100 percent recommend buying from them.

Mike ★★★★★
May 07, 2026

17 Ram 3500 Cummins

Quick turnaround after the purchase, everything was in the bundle and fairly easy to install, and I am no mechanic at all. Very pleased with the product.

randy smith ★★★★★
May 07, 2026

feedback

a couple of screws were missing . You need to add the 2 o rings on the block cover plate in the kit, as mine were bad so I used silicone. no other problems.Great product. Thanks

Herbert Harster ★★★★★
May 07, 2026

Full Delete bundle

The tune was super easy (I opted for SOF mode) The kit was complete and everything fit as advertised. Don't forget to tighten the plug on the rear blocker plate, and prepare to have some cuts and scratches on the tops of your hands,,,lol" This job requires you to squeeze them between the engine and firewall "ALOT I had some questions along the way and Tyson was great at responding.. These guys are legit !

Rod Huelter ★★★★★
May 07, 2026

EFI LIVE AUTOCAL3

At this point I’m very happy with my Tuner and the staff. I had some strange problems come up after installation and John was extremely helpful even though at the time nothing made sense. What originally appeared to be a tuner issue ended up being sensor issues covered up by my old HS XRT Pro tuner. I worked through the problems keeping John in the loop until all issues were corrected and we knew for sure the tuner was fine and operating normally.

Charles Rector ★★★★☆
May 07, 2026

Modified exhaust pipe.

it's been a good experience so far except the exhaust didn't quite line up/match up. I luckily had a piece of 4" pipe left over from a previous exhaust job on another truck. I had to go to Harbor Freight and spend &139.00 on a exhaust expander but I'm sure it'll get used again.

Michael Jaquez ★★★★★
May 07, 2026

Super simple and fast to install and has a lot of tuning options

Irving G ★★★★★
May 07, 2026

GREAT SERVICE

Shoutout to Tyson For the Great Customer Service !

Gary Kolin ★★★★★
May 06, 2026

I wish I would’ve done it sooner!

I couldn’t be happier with the full delete bundle, it woke my 2017 UP!

Customer ★★★★★
May 06, 2026

Ram Cummins 6.7 Full Delete Bundle | 2013-2018

Todd Ware ★★★★★
May 06, 2026

They was great to work with everything went good

They was great to work with everything went good.

Jeremy ★★★★★
May 06, 2026

Ram 5th Gen

After I ordered my delete I received everything within 5 business days. That weekend Ram went under the knife. By watching the videos and the instructions provided it was a breeze. I completed the delete removing the dpf and egr within 6 hours and had it back on the road. I now have driven 5k miles with no issues so far

Customer ★★★★★
May 06, 2026

Delete Kit Bundle

The delete kit bundle was exactly what I needed to delete my Ram Cummins out product showed up promptly when stated and was extremely easy to operate we are very happy with the outcome.

JASON LECHMAN ★★★★★
May 06, 2026

2016 Ram 3500

Eazy tune, full 5" exhaust with muffler (great sound, and perfect fit), EGR delete bundle. Install easier than anticipate. There are more tunes to choose from than video explains, however the chat feature on the application will have an immediate response on what tune is right for your specific set up. I can not wait to get some miles on it.

Jose martinez ★★★★★
May 06, 2026

Full delete bindle

Fast shipping and excellent products
Everything fits perfect and the software easy to install and works perfectly well at the first time,, no complaints,,, thanks for everything,,, I will buy again from you guys I have a small business but I will need more products for my clients,,, thank you

Felecia Howell ★★★★★
May 06, 2026

I love the kit

I love the kit, my truck is running hreat, the shift points are off the chain!

Brian ★★★★★
May 06, 2026

2016 duramax

Parts came within the week and everything was in perfect order!! Truck works amazing!!!! Highly recommend.

John Mahon ★★★★★
May 06, 2026

Plug kit

All plugs worked as they should had 1 for every wire i unplugged was kinda pricey for what ya get but definitely looks better than black taping everything

Clayton Sasser ★★★★★
May 06, 2026

Fast delivery

Joel Hicks ★★★★★
May 06, 2026

Power/mileage

Pretty straightforward when you realize what you have to do a lot better gas mileage highway is a lot better than city Driver just wish she came with something to go by

Bryce Duffy ★★★★★
May 05, 2026

Worked

Worked great

Mark ★★★★★
May 05, 2026

EZ LYNK AUTO AGENT DPF Delete Tune | Lifetime Support Pack | Dodge Ram Cummins

Heber Pacheco ★★★★★
May 05, 2026

Customer Support

I was unsure which tune to use so I reached out to support with a few questions. I dealt with Tyson and he was able to direct my questions to the technical team and clarified my concerns.

Drew Marquis ★★★★★
May 05, 2026

Ezlynk is easy!

Quick and easy and full of options!

Drew Marquis ★★★★★
May 05, 2026

Shipping Protection

Bill Duren ★★★★☆
May 05, 2026

Great kit

Great kit. Hardware for delete pipe was off which I bought some different bolts at the hardware. Everything worked

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