This American Thunder system fits 2001-2006 GM Suburban, Avalanche and Yukon XL 1500 SUV's and increases the horsepower, torque and mileage of these popular trucks. The exhaust system is constructed from 16-gauge mandrel-bent stainless steel and has a flanged resonator assembly flowing into a specially tuned resonator and a Super 50 Series performance muffler producing a mild to moderate interior tone and a deep exterior sound. The dual 2.50-inch tailpipes exit out the side of the vehicle behind the rear tires and are finished off with large pair of 4.00-inch polished 304 stainless tips. All necessary parts and hardware are included for a great fitting installation and is covered by Limited Lifetime Warranty.

• Connects After Factory Catalytic Converter
• Dual 4.00-inch Polished 304 Stainless Steel Tips
• Includes Hangers and Hardware for an Easy Installation
• Includes Specially Tuned Resonator
• Lifetime Limited Warranty
• Mandrel-bent 16-gauge Stainless Steel Tubing
• Moderate Exterior Exhaust Note with Mild Interior Tone
• Performance Look of Duals
• Super 50 Series Performance Muffler
• Uses the Factory Hanger Locations