Gibson 19-23 Silverado/GMC Sierra 1500 5.3L Crew Cab Cat-Back Dual Split Exhaust Range Rover Evoque increasing the overall volume by

increasing the overall volume by 89-percent over stock and bumping up the external fin surface area by 162-percent

Made from multi-ply Aluminized Mild Steel

The 100% brazed aluminum core and TIG-welded end tanks provide optimal durability and years of efficient and reliable service

Replaces OE 4589890AC

5” shock body with increased piston surface area over stock components

Gibson 19-23 Silverado/GMC Sierra 1500 5.3L Crew Cab Cat-Back Dual Split Exhaust Range Rover Evoque increasing the overall volume byMade to last the new Chevy Silverado Gibson Exhaust Dual Split Cat Back System is here. For the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower. Typical gains average of 18 20 horsepower. Exhaust exit uses the factory Tips and exit straight out the back. Exhaust sound is louder under towing