The Gibson single-side cat-back exhaust for 2005 Nissan Xterra S (4.0L) is a stainless bolt-on system that exits behind the rear tire to enhance acceleration and towing power. Dyno testing indicates typical gains of 10–15 hp and 15–20 lb‑ft at low RPM. The system ships with hardware and factory-style hangers for straightforward, no-weld installation.
Gibson 2005 Nissan Xterra S 4.0L 2.5in Cat-Back Single Exhaust - Stainless