Gibson 21-22 GMC Yukon/ Chevrolet Tahoe 5.3L 2/4wd Cat-Back Dual Split Exhaust Suspension>Lowering Springs The Large Bore HD Performance

The Large Bore HD Performance Cat-Back exhaust features 4" 409 stainless steel tubing with smooth curves and increased size to help remove restriction and keeps exhaust gasses flowing smoothly

along with a proprietary filter oil that includes highly advanced tackifiers to stop as much dirt and contaminants as possible

But it didn't sound quite right

Designed to give your vehicle an extra edge

easy to install

Gibson 21-22 GMC Yukon/ Chevrolet Tahoe 5.3L 2/4wd Cat-Back Dual Split Exhaust Suspension>Lowering Springs The Large Bore HD PerformanceFor the enthusiast who wants an awesome look and Mild sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower while maintaining similar factory interior sound levels. Typical gains average of 15 20 horsepower. Stainless dual Tip exit straight out the back. Works with most bumpers, roll pans and trailer hitches. Exhaust sound is louder under towing conditions.