"In Relentless Pursuit of Performance"

 [ Online Forum | Videos | Dyno ]]

 

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!

Most of you are here for the performance videos.  Click here for a direct link!

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.  We can build you a race truck, or just add some power to your everyday work truck for increased power with reliability.  We handle a wide variety of products including:

  • Chips, Boxes, Programmers
  • Modified Injectors
  • High flow Intake Filters
  • High Flow Exhaust
    •
  • Camshafts
  • Custom Heavy Duty Transmissions
  • Custom Twin and Single Turbos
  • Heavy duty Clutches

We Do It ALL!

 

 [ Online Forum | Videos | Dyno ]]

 

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Contact us now to discuss your specific needs.
Email: sales@relentlessdiesel.com
Phone 936-856-3121
Mail: 12251 Hilltop Dr. Willis, TX 77318
 Hours: M-F 9-5, Sat by appointment only.