May 21, 2026 | Diesel Performance Parts, Diesel Tuning, ECM Tuning
Mario High Performance Diesel (MHPD) specializes in semi truck engine tuning. We deliver the latest innovations and extensive industry knowledge to improve your engine efficiency in a timely, professional manner. Understanding how to read symptoms, use...
Apr 29, 2026 | Diesel Tuning, Dyno Tuning
Dyno testing turns “it feels faster” into “here’s proof it’s faster.” Instead of guessing or relying on generic tunes, at MHPD, we perform proper dyno testing. This shows you exactly how your semi truck’s diesel engine performs before and after...
