Hooker 16622HKR Manifold Back Exhaust System

Compatible with 1973-1974 Chevy/GMC Blazer, Suburban, Jimmy, 1/2, 3/4, 1-Ton truck (2WD) with 265-400. This product is not created or sold by GM®.; Designed for manifold back applications. This system uses 2.25-inch 16-gauge aluminized tubing to reduce back-pressure and improve engine efficiency. The system is mandrel bent to eliminate any crush sections in the tubing to help maximize the exhaust flow for better performance. Designed for Side exit behind rear tires.;