Gibson 20-26 Silverado Sierra 2500HD / 3500HD 6.6L Dual Split Cat Back Exhaust

For 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. Hassle Free bolt- on installation. No welding required. Backed by a Lifetime Limited Warranty.

Additional Information

Cat-Back Dual Split Exhaust System; 2.5 in. Tubing; 8 in. Round Body; 3.5 in. Center Inlet/2.5 in. Dual Outlet; L-24 in.; 4 in. Polished Tip; Straight Exit;

Part Type

Exhaust System Kit

• 2.50 in. Stainless mandrel bent tubing
• 8 in. Round Body Muffler
• Baffled and Chambered Muffler Design
• Lifetime Limited Warranty
• No internal Packing/Minimal Interior Drone/Mild Sound
• Rolled Slash Cut Tip. Clamp on.

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Reference Information