Gibson 65008 Cat-Back Dual Extreme Exhaust System Stainless Steel

The Gibson 65008 Cat-Back Dual Extreme Exhaust System is engineered for truck enthusiasts who demand aggressive performance and bold street presence. This bolt-on cat-back system features dual exits positioned behind the rear tires at a commanding angle, delivering a deep, aggressive exhaust tone without excessive interior drone.

Dyno-tuned and application-specific tested, this system is designed to deliver average gains of 15–20 horsepower and meaningful torque improvements across the RPM range. Mandrel-bent stainless steel tubing minimizes restriction and ensures smooth, fast gas flow for maximum efficiency and long-term durability.

Key Features:

• Tubing: 2.5 in. mandrel-bent T304 stainless steel construction — rust-resistant and built to last
• Dual exit placement: Exits behind each rear tire at an aggressive angle for bold street appearance
• Muffler design: Baffled and chambered SuperFlow muffler — no internal packing, minimal interior drone, aggressive sound signature
• Muffler dimensions: 8 in. round body; 2.5 in. dual inlet; 3 in. offset outlet; 24 in. length
• Tip style: 3.5 in. polished T304 stainless steel round slash-cut tips — clamp-on design
• Tip dimensions: 2.5 in. inlet; 3.5 in. outlet; 12 in. length
• Performance: Dyno-tuned for the specific application; average gains of 15–20 horsepower
• Installation: Easy bolt-on fitment — no welding required
• Warranty: Backed by Gibson's Lifetime Limited Warranty

The Gibson Dual Extreme cat-back system pairs aggressive aesthetics with real performance gains, making it an ideal upgrade for truck owners seeking a powerful exhaust note and improved throttle response right out of the box.