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The Gibson single-side cat-back exhaust for 2004–2010 Infiniti QX56 (Base, 5.6L) is a stainless bolt-on system that exits behind the rear tire to improve low-end torque and towing capability while reducing in-cabin drone. Dyno testing reports average gains of 10–15 hp and 15–20 lb‑ft in the low RPM band. Includes all hardware, factory-style hangers and requires no welding.
Gibson 04-10 Infiniti QX56 Base 5.6L 3in Cat-Back Single Exhaust - Stainless
