Gibson Exhaust 619653 Cat-Back Single Exhaust System Stainless Steel

The Gibson 619653 Cat-Back Single Side Exhaust System is engineered for truck and SUV owners who demand serious performance gains without sacrificing drivability. Constructed from durable stainless steel, this bolt-on system delivers the perfect balance of aggressive exhaust note and refined in-cab comfort, exiting cleanly behind the rear tire for a factory-clean appearance.

Dyno-tested results demonstrate peak torque and horsepower gains at low-end RPM ranges of 1,800 to 3,000 RPM, where it matters most for real-world driving. Expect average gains of 10–15 horsepower and 15–20 lb-ft of torque, making this system ideal for towing, hauling, hill climbing, and passing power.

Key Features:

• Cat-back, single-side exit behind the rear tire
• Baffled and chambered muffler design — no internal packing
• Minimal interior drone with an aggressive exterior exhaust note
• Average gains of 10–15 HP and 15–20 lb-ft torque (dyno tested)
• Maximum performance in the 1,800–3,000 RPM low-end power band
• Hassle-free, bolt-on installation — no welding required
• Backed by Gibson's Lifetime Limited Warranty

Muffler Specifications:

• Design: Baffled & Chambered, No Internal Packing
• Body: 8 in. Round
• Inlet: 3.00 in. Center
• Outlet: 3.00 in. Center
• Body Length: 24 in.

Exhaust Tip Specifications:

• Material: Polished T304 Stainless Steel
• Style: Round Slash-Cut, Clamp-On
• Tip Inlet: 3.00 in.
• Tip Outlet: 3.50 in.
• Tip Length: 12 in.

The Gibson 619653 is one of Gibson's top-performing exhaust systems, combining professional-grade fit and finish with straightforward DIY installation. Upgrade your truck's exhaust with a system built to last and backed by a lifetime warranty.