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Customer Reviews (4,847 total)

ED the fire guy ★★★★★
Apr 17, 2026

Priority Processing Quote

Esteban Solorio ★★★★★
Apr 17, 2026

Very happy with my Ford 6.7 Powerstroke Full Delete Bundle | 2017-2019

Very impressed with the ease and quality of the kit. I am not expert mechanic and I did tune and delete all buy myself. There are plenty of helpful youtube videos that guide you on how to do this, along with very detailed instructions that are emailed to you once you purchase. I recommend this for everyone

Brannon Hulbert ★★★★★
Apr 17, 2026

Everything I expected

The truck is amazing.The tune works great

Customer ★★★★☆
Apr 17, 2026

2016 Ram 2500 DD Delete Kit

Overall, I have to say it was much easier than expected with the help from the DD instructions. It took about 8 hours overall to complete. The EZlink update went good with no issues during the installation.

Customer ★★★★☆
Apr 17, 2026

Good tuner

Was a good tuner and easy to use. Only downfall is that you only get one tune option unless you hook up the SOTF. Also after tuning I lost my gear indicator lights on the dash. Not sure why. Other than that everything worked great.

Nick Bunn ★★★★★
Apr 16, 2026

2015 Ram ecodiesel

Shipping was fast and Tuning was a breeze. I have only tried one tune so far but it installed great and could tell a big difference. Customer service was good on returning my questions in a timely manner. I will order from them again

Customer ★★★★☆
Apr 16, 2026

As Advertised

Full delete with 4” and EZLynk for a Chevy LML. Programming was straightforward, there are many time options to choose from, I’ve only used the SOTF ones for now. After initial install the truck felt like a rocket ship, crazy difference but after a week it’s changed slightly (not sure why) but still WAY better than factory setup.

Im not a mechanic but can figure stuff out and it took me and my son about 6 hours from start to finish (except the EGR delete, which we haven’t completed yet). Next up is the EGR portion and maybe after that I’ll get that original performance back but not sure.

Anyway, I’d absolutely purchase from these guys - So Just Do It!!!

Customer ★★★★★
Apr 16, 2026

So far, I love it.

I took a short trip to my brother's, 100 miles, one way, through 3 small towns and averaged 32.5 miles per gallon. Could not believe it.

Gary Kendall ★★★★☆
Apr 16, 2026

Shibby Worth it.

Simple install once you figure out which plug goes where.

J S McAbee ★★★★☆
Apr 16, 2026

My full delete

My kit arrived in a couple of different deliveries. I inspected all the parts. One exhaust tube had to be hammered back to round, big deal. The tune was easy, and went smoothly. While installing the 4” exhaust, I realized the pipe was too long and had to cut it too fit. Again no big deal. After the exhaust was installed, I pulled all the necessary wiring from the egr. My truck started flawlessly. The egr kit went smoothly. The power my Ram has now is incredible. I highly recommend the diesel dude’s delete kit. My 2021 Ram has so much power it’s insane. Well worth every penny!

Kevp ★★★★★
Apr 16, 2026

Dodge 2014 full delete

The delete kit went in pretty easily. The exhaust fit together perfectly. I followed the installation on Dark iron diesel.Everything went well although I may need some more tuning. I have been in contact with Tyson and he has been a big help working on my issue. I would recommend a kit from Diesel Dudes.

Wendall Pelham ★★★★★
Apr 16, 2026

Full delete 19 F-350

This kit was exactly as advertised. Simple to install (with proper tools and know how) preforms as advertised. Super happy with the results and have already recommended it to coworkers.
Thanks Diesel Dudes for a quality product and the support through the process.

Jan ★★★★☆
Apr 15, 2026

Great parts

All the parts were great and install was very straightforward however the tunes leave some things to be desired all and all a great kit though

Cody McCann ★★★★★
Apr 15, 2026

Tyson got the Job done!

A little mix up on my kit with the muffler size. Tyson got the right part heading my way immediately. excited to install the Kit on my 2012 3500 cummins

Brett N. ★★★★★
Apr 15, 2026

Delete kit 2016 f250

Best customer service when you have any questions about anything you’ve ordered. Casey helped me directly when I had some questions about the SOTF wiring and he answers them directly and asap which is hard to find in today’s customer service world. Would recommend this company to everyone that has a diesel truck!

Joshua Robinson ★★★★★
Apr 15, 2026

Review

It started out fine got 2/3 of my packages early and then the nightmare started with fedex. Luckily John from costumer support from diesel dudes helped me out and stayed on top of the delivery issue and I was able to get my last package as for how the kit i ordered I still have to finish the installation. I giving a 5 star cause when I thought I might have to return the package and fedex was no help John really pushed through took a day and the package was here the next day and man I personally really appreciated it cause I really thought I ran outta options and I already started taking my EGR off. 5/5 for diesel dudes and their support team as for fedex I'd have a different review for them but that's for a different website.

Tyler C ★★★★★
Apr 15, 2026

Harness plug kit

Very pricey for a bag of dummy plugs but worth the cost. Block plugs to prevent dirt from damaging plug without having to tape with messy electrical tape.

KM Truck ★★★★★
Apr 15, 2026

Everything arrived as described, Fantastic

Tune was stright forward, 23 F250. I was over thinking it. I TOOK my time LOL, it took me 6 hours. Removing the passage fender liner made it a lot easier to access turbo flange and downpipe. The back exhaust pipe is long on purpose and depending on your bed length it may need to be cut. I ordered plug kit and am glad I did. I also installed Diesel Dudes TCM medium pressure tune, then immediatley used forscan to reset trans adaptive learning, I set truck to tow mode, forces trans to use all gears during relearn. Make sure to follow ford workshop manual to relearn initial driving steps. No ripping around during relearn for about 200 miles. You dont need to do this step but I found it very effective. Truck sounds great, drives amazing, better fuel mileage. Comes with SOFT hardware. Easy to install. I also set SOFT to #2 power level during trans relearn because that's the power level I will primarily use. Have fun & Watch Kyle's video as a guide on YT Dark Iron Diesel for 2023 up powerstroke.

Andrew Cook ★★★★★
Apr 15, 2026

6.7L Delete Kit

Prompt service and quick email responses. Anthony was very helpful with getting me the correct components. Will definitely use them for all future Deisel needs.

Customer ★★★★★
Apr 15, 2026

Nice fit, poor tech support

Pipes were all bent for a perfect fit. Tail pipe had one ding in it which was probably damaged in shipping and easily pounded out for a proper fit. Hangers all matched up really well. The diesel dude’s technician told me to reuse the OEM gasket and studs. The gasket was not reusable but only cost me $13.00 at the auto store. The studs were easily pounded out with a dead blow hammer but didn’t fit the holes in the new pipe. Overall I would give the pipes a 10 and the technicians help useless because the gasket should not be reused and the diameter of the OEM studs were too small to seat in the flange of the new pipe. Put one together before giving advice. A note to the technician, reverse the studs, use a washer/ lock washer and nut on the new pipe side. Tell the customer to purchase a new gasket before starting the job. This saves the customer frustration and time running out to the store in the middle of the job.

Customer ★★★★★
Apr 15, 2026

Easy

Easy job in an afternoon,great instructions, couldn’t be happier!

Gunner Jacob ★★★★★
Apr 15, 2026

Efi live for lly Duramax

Everything went perfect and no check engine light. Definitely would recommend. Instructions are included and that’s all you need. If I can do it you can 😂

Bryan ★★★★★
Apr 15, 2026

Worked perfect, easy installation

Logan H ★★★★★
Apr 15, 2026

2016 Dodge ram 2500 Delete kit

Awesome delete kit! Easy to install and works great. Excellent customer support. I had issues with my STOF switch and Tyson from customer support help me get another tone so that I could use my tunes. Also the auto tech agent support was excellent in helping me find the switch issue and uploading the correct tune that I wanted.

Adam Doyle ★★★★★
Apr 14, 2026

Great product over all

This product is great for plugging the harness connectors that aren’t being used. Only thing that would help is a legend to let you know where some of the plugs go. I ordered this after building my pulling truck and some of the connectors I’m not sure where they go yet because I haven’t found there respective mate plug. Otherwise great out kit for protection for factor harness

Shawn P Hamilton ★★★★★
Apr 14, 2026

2016 Ram full Delete

I bought my tuner hear did the rest myself . Amazing customer service as At first I did not understand how to do the download thay made it easy 5 stars all day going on 3 years 60.000 miles no
Problums

Pat Lapping ★★★★★
Apr 14, 2026

Good

Kurtis G ★★★★★
Apr 14, 2026

Highly recommend

Best customer service hands down!

Tom McCauley ★★★★★
Apr 14, 2026

6.7 delete

Still need to contact on down load otherwise great job

Greg D ★★★★★
Apr 14, 2026

DEF tank

Had a question about removing the DEF tank and Tyson had me an answer immediately. Thanks Tyson!

JACOB C. ★★★★★
Apr 14, 2026

EZLYNK Tuner/Two fold awesome support!

Tyler in customer service is a guy you can depend on to watch his emails even after hours and check to see if the techs were able to get me home. My truck was struggling and after throwing money at parts, I asked the team to take a look at my tune and they worked with what little info I was able to provide and sent me a new tune, if it weren't for their above and beyond service I might have been stuck on the side of the freeway with my whole family on board. Thank you guys for all you did!

Trey ★★★★★
Apr 14, 2026

L5P Full Delete

Awesome kit! The customer service was great, the shipping was fast, and has me saying the same thing everyone else says after a full delete.. should have done it sooner. Nothing wrong with the kit but I will say on my 2019 L5P I had an issue with my Turbo Pedestal, it wasn't causing any problems but when removing it I found it was warped and needed to be replaced so I had order it and wait for it to come in. So if installing the downpipe ( highly recommend ) maybe order one ahead of time or trying leaving the Turbo in place and just lifting the cab to remove the SCR.

Michael Rau ★★★★★
Apr 14, 2026

Tuner harness plug kit

There was a plug for every connection. All fit well, much better than wrapping with tape.

Jesse Pitstick ★★★★★
Apr 14, 2026

Throttle Valve Delete | Dodge Ram 6.7L Cummins | 2007.5-2024

Customer ★★★★★
Apr 13, 2026

22 ram 2500

Ordered this kid about 3 weeks ago ecm is still back ordered but John’s been there for me with updates for me. Due to my wait he had made it right by sending some merch. I’m extremely excited to get this installed.

Christopher Setzler ★★★★★
Apr 13, 2026

Great delete kit I would recommend it to anyone

Noah Rowe ★★★★★
Apr 13, 2026

EFI Live Autocal V3 for GM/Chevy Duramax 2001-2016 | Delete Tuner

Let me start off by saying TheDieselDudes Costumer service is like no other, Impeccable response time, always helpful and willing to answer any questions you have. This process was very simple and easy to follow instructions. I've had this tune for a little over a year and a half, I've gone through a couple of modifications and they been very helpful with rewriting the tune. Thank you Casey for all of the help! More businesses need to be like this in todays age.

PHILLIP D ★★★★★
Apr 13, 2026

Awesome product
Awesome team

Kale levanger ★★★★★
Apr 13, 2026

Egr delete kit

after ordering the egr delete kit and tunes from these guys I have installed both and Tyson has answered all of my questions

Brian C ★★★★★
Apr 13, 2026

Great customer service.

We received a damaged box and sent a message on Saturday. We expected a reply sometime the following week. By Sunday Tyson was on it and helping us remedy our questions and one issue. Thanks Tyson for your quick response and great customer service!

Joe Owens ★★★★★
Apr 13, 2026

2019 F250 6.7 delete

Just wanted to say I appreciate diesel dudes and there product.

Very prompt on response and very knowledgeable about the product.

It wasn't very difficult to install even though I had to ask a few questions, but they answered and I got it done.

I will use these guys again.

I appreciate the help.

Oh my kit came within a week and some was earlier than that.

John Smith was the guy that helped me.

Rob Gomulka ★★★★★
Apr 13, 2026

Great product and customer service and support.

Charlie henderson ★★★★★
Apr 12, 2026

Cab and chassis delete

Everything is performing perfect. I struggled a bit fitting the exhaust together but accomplished it. If all goes well I’ll start deletes in the fleet…

Chance Strickland ★★★★★
Apr 12, 2026

Very good product very easy to install.

Levi Prince ★★★★★
Apr 11, 2026

Truck runs great

4 mpg improvement, noticeable power difference. Great complete kit and easy installation

Customer ★★★★★
Apr 10, 2026

Amazing product easy and amazing company

Michael Macleod ★★★★★
Apr 10, 2026

Very Easy to Install

I was very pleased with the service and ease of install. I had no previous experience with tuning my truck and the Diesel Dudes made it very easy and straight forward. So far the tunes I have installed have all worked great. Noticeable power gains and fuel savings as well.

Alberto Aispuro ★★★★★
Apr 10, 2026

Easy Install

The kit came ready to go. The truck sounds and runs amazing. Easy Install for a first timer tuning and deleting a truck. Dark Iron Diesel does a great job with a step by step video!

Jason Preston ★★★★★
Apr 09, 2026

Buy It, Tune It, Enjoy It!!!!

Woke up a brand new truck. Tunes are easy to install and the tech support on the app has been great. Quick response and very informative!

Jesse ★★★★★
Apr 09, 2026

Very impressed with the kit.

The kit had great instructions quality parts. The only thing I can complain about is the exhaust kit was not 100% drop in, it needed modification to work but sounds great.

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