Gibson 07-12 Chevrolet Avalanche LS 5.3L 2.25in Cat-Back Dual Extreme Exhaust - Black EliteFor the extremist who wants to take their truck to the next level, this Black Elite dual bolt on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. Each T 304 stainless tip is offered with a premium black finish applied with Gibson's formulated process exclusive only to the Black Elite Series You will gain bold street looks with dyno tuned and tested street performance gains. For