2000 - 2013 GMC, Chevrolet Flowmaster 70 Series™ Big Block II Muffler - 53072

The 70 series utilizes Flowmaster's patented Delta Flow technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV's, RVs, tow vehicles and high performance street cars where space allows. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

• Durable Fully Welded 16ga Aluminized Steel
• 3 Year Limited Warranty
• Stock to Mild Exterior Exhaust Tone
• Minimal Interior Resonance
• Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
• Improved HP/TQ and Potential Mileage Improvement
• Race Proven Patented Delta Flow® Technology
• Premium Flowmaster Quality