Gibson 19-23 Silverado/GMC Sierra 1500 5.3L Crew Cab Cat-Back Dual Split Exhaust ['fits_2018-2018`Jeep`JL' the Bulkhead fitting functions as

the Bulkhead fitting functions as both a suction tube and return and features a 5/8 inch Suction Tube along with a Fuel Return Port

5in Inlet 12in Length Angled Cut Rolled End Clampless No-Weld T304

Lower Intake Air Temperatures: This Dynamic Air Scoop takes advantage of the Challengera*

and was originally the only performance injector available with all stainless internals

Increases horsepower by 41% and torque by 36% over stock

Gibson 19-23 Silverado/GMC Sierra 1500 5.3L Crew Cab Cat-Back Dual Split Exhaust ['fits_2018-2018`Jeep`JL' the Bulkhead fitting functions asMade 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