Phat Muffler

• 85% Noise Reduction Coefficient (NRC) - best on the market
• Lightweigt Aluminum Construction - easy to hang, no rust
• 45 degree inner taper before flanges, helps reduce more noise
• Phat Glass pack won't disintegrate like foam products
• 4" x 12" sizes available - regular length & super Phat mini sizes
• Maximum free flow air movement