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

SKU: GIB65720

Exhaust System Kit

GIB Cat-Back - Dual Split...

Gibson

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

SKU: GIB65720

Exhaust System Kit

GIB Cat-Back - Dual Split...

Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.

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Description

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.

Part Type

Exhaust System Kit

Data: v4.2 - Upd: 2026-09-29 01:32:35

Features

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.

Specifications

Reference Information

Brand Name/s	Gibson
StreetFX SKU	gib65720
SFX Item ID	6877913
Supplier Item Code	6877913
Manufacturer SKU	65720
Manufacturer UPC	677418034882
Alternative References	2500HD, 3500HD, 6.6L