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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
If your vehicle is equipped with a factory resonator located right underneath the bed on passenger side this will bolt right in place
Prevents turbo surge and potential damage
more efficient exhaust path for your 2011–2015 LML Duramax
Durable Construction: Made from high-grade aluminum with a black finish (powder coat / anodized)
Full Support Package: This package provides access to all tunes for as long as we support this vehicle
2011-2012 LML HSP COLD AIR INTAKE 502-1-HSP FINISH:M&M ORANGE If your vehicle is equippedProduct 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