We help diesel owners gain the full potential of their engines.
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Mario High Performance Diesel is the authority in diesel performance

MHPD solves diesel engine problems through troubleshooting, diagnostics, and calibration. But our services go beyond that. We're here to help diesel owners get the most out of their engine using world-class, cutting-edge software and technology.

Mario Monette

Founder and Head Programmer of MHPD, Mario Monette is one of the world's foremost authorities in diesel. Mario is the current World Speed Record Holder for NHRDA Semi Hot Rod Class. His CAT-powered 4000hp 1988 Peterbilt 379 holds the record at 120.35mph. Mario also holds the Champion Title for G&J Big Sky Truck Fest held in Billings Montana US in August 25th 2018.

Mario Monette and the MHPD Team standing in front of The Beast

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