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more efficient exhaust path for your 2011–2015 LML Duramax
- Hemmed edges enhance longevity and style
Full Support Package: This package provides access to all tunes for as long as we support this vehicle
Prevents turbo surge and potential damage
2011-2012 LML HSP COLD AIR INTAKE 502-1-HSP FINISH:M&M ORANGE more efficient exhaust path forProduct Description Upgrade your 20112012 Duramax LML with the HSP 502 1 HSP Cold Air Intake System, designed to significantly improve airflow, increase horsepower and torque, and enhance overall engine efficiency. Featuring a large 4 inch mandrel bent intake tube, this system reduces restriction and allows your turbo to pull in a greater volume of cool, dense air for improved combustion and performance. The HSP intake utilizes a sealed heat
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