Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Split Exhaust - Aluminized Programmers & Chips>Transmission Controllers Notched necks for easy clamp-on

Notched necks for easy clamp-on installation using 1" wide band style clamps 18322 (clamps not included)

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Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Split Exhaust - Aluminized Programmers & Chips>Transmission Controllers Notched necks for easy clamp-onFor 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. Stainless dual Tip exit straight out the back. Works with most bumpers, roll pans and trailer hitches. Exhaust sound is louder under towing conditions. Hassle Free bolt on installation. No welding