aFe Power - 49C44137 - Compatible with/Replacement for GM SILVERADO/Compatible with/Replacement for Sierra 1500 20-21 V8-6

This exhaust system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producing a throaty sound. This system produces a throaty sound unleashing all available horsepower and torque. Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment. 100 Percent MIG-Welded for race-proven strength and durability.