Based on a new GMT900 platform, the Sierra now had a level of sophistication to accompany its power and ability as a truck. A 6.2L sibling of the LS3 was also introduced, giving you the ability to buy a 400 horsepower truck off of the showroom floor.

Reducers, brackets, clamps, J-bends, collectors and more; Hooker, Flowtech and Flowmaster have what you need to finish your exhaust project!