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Relentless Diesel Perf

4.6

About this business

The big news around the shop lately is finally getting our Dynamometer installed. We recently purchased a Dynojet 248 to help with our product development and testing. For more information on the dyno including pricing schedules please click here! We are a full service diesel performance shop located in Willis, Texas. We handle everything performance related from minor performance chips to injectors, turbos, camshafts, clutches, transmissions, complete performance engine rebuilds and even custom built twin turbo applications... read more

Location details

12251 Hilltop Dr, Willis, TX, 77318, United States

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WeekdayScheduleStatus
Mon9:00 a.m. to 5:00 p.m.
Tue9:00 a.m. to 5:00 p.m.
Wed9:00 a.m. to 5:00 p.m.
Thu9:00 a.m. to 5:00 p.m.
Fri9:00 a.m. to 5:00 p.m.
SatClosed
SunClosed
4.684 reviews
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J.p. Morgenstern's profile image
J.p. Morgenstern 
recommend  Recommended
5 years ago

I highly recommended Relentless Diesel. Did a fantastic job tuning my Dodge, very honest and professional. 

Clyde Vogel's profile image
Clyde Vogel 
7 years ago

Just left this place. Went in with a knock & had lost power. Within a few minutes Chris checked it out. An electrical plug had came loose from the fuel rail. Plugged it back in, tightened a fitting and I was on my way. Thank You for the quick & honest fix on my kids truck. I will recommend y’all to everyone I know! 

Tommy McMillian's profile image
Tommy McMillian 
7 years ago
Skip Agness's profile image
Skip Agness 
7 years ago
Scott O'Hagan's profile image
Scott O'Hagan 
8 years ago
Justin Cypert's profile image
Justin Cypert 
8 years ago

Thanks Chris and Stephanie for the great Allison trans build for my lmm. Went to the semi final round in the nhrda sportsman class, finishing #3. Ran 13.20's comfortably at full weight. Runs great on the street to. For anybody looking, great folks to do business with, and worth the drive from a distance. Quick turn around on the trans build. Thanks! 

Lamar Blake's profile image
Lamar Blake 
10 years ago

Did a great job on my transmission. Was also a very quick turn around. 

Mickey Ray Beer's profile image
Mickey Ray Beer 
10 years ago
Logan Baker's profile image
Logan Baker 
10 years ago

Frequently asked questions about Relentless Diesel Perf

How is Relentless Diesel Perf rated?

Relentless Diesel Perf has a 4.6 star rating with 84 reviews. 

When is Relentless Diesel Perf open?

Relentless Diesel Perf is closed now. It will open on Monday at 9:00 a.m. 

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