2024 Chevy Duramax Hp Gain. Performance pro performance module will boost the performance and efficiency of your 2024 duramax l5p! From a previous 445 hp at 2,800 rpm, chevrolet engineers have increased the l5p’s power to 470 hp.

Increased horsepower and torque without leaving an ecm footprint. Come join the discussion about modifications, towing, classifieds,.