84488078 GMC Cat-Back Exhaust System - Single, 5.3L

84488078 GMC Cat-Back Exhaust System - Single, 5.3L

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$1,867.00
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Give your Yukon XL 4WD increased horsepower and a more assertive sound with the GMC Performance 5.3L Cat-Back Single-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 GMC 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. 5.3L Cat-Back Single-Exit Exhaust Upgrade System with Polished Tip and GMC Logo