GMC Yukon XL Cat-Back Single Pipe Exhaust Upgrade System with Polished Tip and GMC Logo 5.3L

Upgrade the look and sound of your vehicle’s exhaust system
Helps to reduce restrictions in the exhaust system
Allows the engine to breathe better
Features single highly polished Stainless Steel 4.5-inch diameter tip
Includes rear muffler assembly, exhaust clamps, polished exhaust tip and other mounting hardware
Exhaust pipes run below the bumper
35% backpressure reduction at 300-g/s, based on correlated flow testing
Helps increase power by up to 7 HP and 4 lb.-ft of torque
50-state emissions legal and will not void the vehicle warranty when installed by an authorized GM dealership