Gibson 66524 Cat-Back Dual Split Exhaust System Stainless Steel

The Gibson 66524 Cat-Back Dual Split Exhaust System is engineered for truck and SUV enthusiasts who demand an aggressive exhaust tone and real performance gains. Built from premium stainless steel, this bolt-on cat-back system reduces backpressure to unlock more low-end torque and horsepower, with typical gains averaging 15–20 horsepower.

At the heart of the system is a Gibson Superflow Muffler featuring a baffled and chambered internal design with no internal packing material. This construction delivers a deep, aggressive exhaust note while keeping interior drone to a minimum — a signature Gibson performance characteristic.

Muffler Specifications:

• Shape: 7 in. Round
• Inlet: 3 in. Center
• Outlet: 2.50 in. Dual
• Length: 24 in.
• Design: Baffled & Chambered — No Internal Packing, Minimal Interior Drone, Aggressive Sound

Exhaust Tip Specifications:

• Style: 3.5 in. Round Slash-Cut, Polished T304 Stainless Steel
• Attachment: Clamp-On
• Tip Inlet: 2.50 in.
• Tip Outlet: 3.50 in.
• Tip Length: 12 in.

Key Features:

• Dual stainless steel tips exit straight out the rear
• Compatible with most factory bumpers, roll pans, and trailer hitches
• Hassle-free, 100% bolt-on installation — no welding required
• Uses factory hangers and clamps for a clean, OEM-style fit
• Note: Exhaust sound level increases under towing conditions
• Proudly Made in the USA
• Backed by a Lifetime Limited Warranty

The Gibson 66524 is a direct-fit performance upgrade offering a standout dual-tip appearance and a commanding exhaust tone straight from the factory-style rear exit.