Gibson 615519 Cat-Back Single Exhaust System Stainless Steel

The Gibson 615519 Cat-Back Single Exhaust System is a high-performance, stainless steel exhaust designed to maximize low-end power, improve throttle response, and deliver an aggressive exhaust note — all with a simple, no-weld bolt-on installation. The exhaust exits cleanly behind the rear tire for a factory-clean appearance with serious performance gains.

Dyno-tested results demonstrate an average increase of 10–15 horsepower and 15–20 lb-ft of torque, with peak gains concentrated in the critical low-RPM range of 1,800 to 3,000 RPM — making this system especially effective for towing, hill climbing, acceleration, and passing power. Despite its aggressive sound profile, the system is engineered to remain quieter inside the cab than competing performance exhaust systems.

Key Features:

• Cat-back single-exit design; exits behind the rear tire
• Baffled and chambered muffler design with no internal packing for minimal interior drone and an aggressive exhaust tone
• Muffler Dimensions: 8 in. round body; 3.00 in. offset inlet; 3.00 in. offset outlet; 24 in. overall length
• Includes a 3.5 in. polished T304 stainless steel round slash-cut tip (clamp-on)
• Tip Specifications: 3.00 in. inlet; 3.5 in. outlet; 12 in. overall length
• Hassle-free, bolt-on installation — no welding required
• Professional-quality fit and finish straight out of the box
• Backed by Gibson's Lifetime Limited Warranty

Constructed from durable T304 stainless steel, the Gibson 615519 is built to resist corrosion and withstand extreme heat cycles for long-lasting performance. Whether you're looking to improve everyday driveability or maximize performance under load, this cat-back exhaust system delivers measurable results.