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