Magnaflow - GM Duramax L5P

Magnaflow performance diesel exhaust systems for 2017 - 2021 GM 6.6L L5P Duramax Trucks. Magnaflow makes some of the best looking and best sounding diesel exhaust systems on the market. Built to last and with performance in mind these Stainless Steel and Aluminized Steel kits will put your truck a step above the rest.