The 5 Best Duramax LML Performance Mods
The 6.6L Duramax LML hit the market in 2011 and stuck around through 2016 after which it was replaced by the L5P. The LML produced a solid 397hp and 765lb-ft. of torque. While the LML’s torque output fell slightly short of the 6.7 Powerstroke and 6.7 Cummins, the engine produced just about as much power…