The Gibson single-side cat-back exhaust for 1999–2001 Chevrolet Silverado 1500 LS (4.3L) boosts low-end torque and acceleration for towing and everyday driveability. Dyno-tested gains average 10–15 hp and 15–20 lb‑ft at 1800–3000 rpm. Constructed from stainless mandrel-bent tubing with a baffled Superflow muffler and polished slash-cut tip, it includes hardware and factory-style hangers for a bolt-on, no-weld installation, reduced cabin drone and a lifetime limited warranty.
Gibson 99-01 Chevrolet Silverado 1500 LS 4.3L 3in Cat-Back Single Exhaust - Stainless