Features:

• INCORPORATES INTERNAL BAFFLES, CHAMBERS AND SPACE AGE SOUND-ABSORBING MATERIALS TO ACCELERATE EXHAUST FLOW WITH LESS NOISE AND MINIMAL POWER LOSS
• WELL UNDER THE 96DB SOUND OUTPUT ON MOST MACHINES TO SATISFY STRICT SOUND REQUIREMENTS
• U.S. FORESTRY APPROVED SPARK ARRESTOR WITH MAINTENANCE FREE, STAINLESS STEEL SPARK ARRESTOR SCREEN
• Q4 HEX EXHAUST IS ONLY AVAILABLE FOR "CURRENT MODELS" LISTED