Gibson Exhaust 615639 Cat-Back Single Exhaust System Stainless Steel

The Gibson Exhaust 615639 is a high-performance cat-back single side exhaust system engineered for drivers who demand improved acceleration, maximum towing capacity, and superior passing power. Constructed from durable stainless steel, this bolt-on exhaust system delivers impressive performance gains while maintaining a comfortable cabin environment.

Performance Benefits:

• Dyno-tested to produce maximum torque and horsepower in the low-end power band (1800-3000 RPM)
• Average horsepower gains of 10-15 HP with 15-20 lb-ft of increased torque
• Optimized for towing, hill climbing, and highway passing situations
• Quieter interior cabin noise compared to competitive performance exhaust systems

System Components:

• Muffler Design: Baffled and chambered construction with no internal packing for long-lasting performance and minimal interior drone
• Muffler Dimensions: 8-inch round body with 3-inch center inlet and outlet, 24 inches in length
• Exhaust Tip: 4-inch polished T304 stainless steel rolled slash-cut tip with clamp-on installation (3-inch inlet, 4-inch outlet, 12 inches long)
• Sound Profile: Mild, aggressive tone that enhances the driving experience without excessive noise

Installation & Warranty:

• Hassle-free bolt-on installation with no welding required
• Professional-looking results with single side exit behind the rear tire
• Backed by Gibson's Lifetime Limited Warranty

This cat-back exhaust system is designed for enthusiasts who want proven performance gains with straightforward installation and Gibson's renowned quality and durability.