Gibson 618600 Cat-Back Single Exhaust System Stainless Steel

The Gibson 618600 Cat-Back Single Exhaust System is a bolt-on performance upgrade engineered for maximum low-end power, making it an ideal choice for towing, hauling, hill climbing, and everyday acceleration. Dyno-tested to deliver average gains of 10–15 horsepower and 15–20 lb-ft of torque in the 1,800–3,000 RPM range, this system is designed to deliver real-world performance where you need it most. The exit is routed behind the rear tire, and the system is tuned for a noticeably quieter in-cab experience compared to competing performance exhausts.

Muffler Specifications:

• Baffled and chambered muffler design with no internal packing
• Minimal interior drone with an aggressive exterior exhaust note
• Round body: 6 in. diameter
• 2.50 in. offset inlet / 2.50 in. offset outlet
• Overall muffler length: 24 in.

Exhaust Tip Specifications:

• 3 in. polished T304 stainless steel, round slash-cut tip
• Clamp-on installation — no welding required
• Inlet: 2.50 in. / Outlet: 3 in.
• Tip length: 8 in.

Key Features:

• True cat-back design for hassle-free, bolt-on installation
• Constructed from T304 stainless steel for long-lasting corrosion resistance
• No cutting, welding, or fabrication required
• Professional-quality finish and fitment straight out of the box
• Backed by Gibson's Lifetime Limited Warranty

The Gibson 618600 is a complete cat-back exhaust system that combines measurable performance gains with a clean, polished appearance. Whether you're looking to improve towing capability or simply want a more responsive throttle feel, this system delivers proven results with a straightforward installation.