The Gibson dual-split cat-back exhaust for 2006–2009 Nissan Xterra S (4.0L) is a stainless bolt-on system with dual tips exiting straight out the back. Its design reduces backpressure for stronger mid- and top-end power; typical gains average 15–20 hp. The system works with most bumpers, roll pans and trailer hitches, and installs hassle-free without welding.
Gibson 06-09 Nissan Xterra S 4.0L 2.5in Cat-Back Single Exhaust - Stainless