Give your Suburban increased horsepower and a more assertive sound with the Chevrolet Performance 5.3L Cat-Back Dual-Exit Exhaust Upgrade System. This exhaust system offers an increase of up to 7 horsepower and 4 lb.-ft. of torque, while reducing backpressure by 35% at 300-g/s, based on correlated flow testing. Designed and validated by Chevrolet Performance engineers, this 304 Stainless Steel Cat-Back system is tuned to maximize the performance experience while minimizing drone. This Performance Exhaust Upgrade System includes the rear muffler assembly, Y-Pipe, exhaust clamps and all necessary mounting hardware. It is 50-state emissions legal and will not void the New Vehicle Limited Warranty.

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• Upgrades 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 dual highly polished Stainless Steel 4.5-inch diameter tips
• 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