HSP Cold Air Intake.
Proven dyno numbers show intake providing 20 additional horsepower and 58 pounds of torque on average.
For 2011-2012 Chevrolet / GMC 6.6L Duramax LML
HSP cold air intake’s are quickly becoming one of the best performing intakes in today’s high-performance diesel world. Proven dyno numbers show our intake providing 20 additional horsepower and 58 pounds of torque on average to an already great performing engine. The HSP intake delivers the power numbers you desire, while adding a custom look to your truck with our various color options.