Flowmaster 817688 Outlaw Series Exhaust System 2009-2013 GM Silverado/Sierra 1500 trucks with 5.3L
Flowmaster 817689 Outlaw Cat-Back Exhaust System for 14-19 Silverado 1500/GMC Sierra 4.3/5.3L
Fits 2019-2023 (New body) Chevrolet Silverado 1500/GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L engine. - Aggressive sound