quick view Add to Cart Gibson Gibson 04-10 Infiniti QX56 Base 5.6L 3in Cat-Back Single Exhaust - Aluminized - 12213 MSRP: $1,225.83 $668.99 Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare