Flowmaster 01-06 SUB/AVAL/Yukon XL American Thunder DOS SS Exhaust System

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.

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

Vehicle Fitment

• 2001-2006 Chevrolet Suburban 1500
• 2001-2006 GMC Yukon XL 1500
• 2002-2006 Chevrolet Avalanche 1500

Please verify exact fitment for your trim and engine before ordering.

🚚 Vendor Direct Shipment: This item is not stocked in our warehouse and ships directly from the manufacturer. Please allow additional handling time before dispatch.

Manufacturer Part Number: 817342

Images are for illustrative purposes only. Actual product may vary.

⚠ WARNING (California Proposition 65): This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.