Three Internal Bulk Heads for Superior Case Durability and Stability Stepped acceleration Chamber Increases Exhaust Gas Velocity and Maximum Flow Resonance Chamber and Tuning Tube Cancels Unwanted Frequencies and Amplitudes (No annoying tin can sound or drone at cruising speed)

Sound Absorption Chamber eliminates High Frequeny Sound Waves for Deep Throaty Powerful Sound Aerodynamic Lens Directs Sound Pressure Waves into Acceleration Chamber and Out of Muffler Stainless Steel Perforated Internal Plate Eliminates Internal Rust

Reinforced Inlets and Outlets 4-3/4 inchH x 10-1/4 inchW x 14 inchL 16 Gauge Raw Aluminzed Steel Case Feature intricate stainless steel, robotic weld seams Single 3 inch Offset Inlet