FLOWMASTER 50 SERIES BIG BLOCK Muffler

Our largest and quietest muffler, the 50 Series Big Block is made for tow vehicles, full-size trucks, large SUVs, and RVs. Compatible with big cubic inch engine applications, the 50 Series Big Block incorporates a very large Resonance Tuning Chamber to almost completely reduce interior sound in large cab vehicles and enough case volume to handle engines under heavy loads - perfect for tow vehicles. Significant improvements in mileage, torque, and horsepower are to be expected, as well as decreased engine heat and wear.

• The quietest muffler we make!
• Available in 16-gauge aluminized steel
• Fully MIG-welded for maximum durability
• Backed by a 3-year warranty
• Greatly reduces interior sound and resonance

2.75"/2.50"