M4 Performance Exhaust designs and manufactures high quality exhaust systems for all popular sport bikes. They create full systems and slip-ons that are dyno-tuned with precision for optimal performance and sound.

Features: 

• 304 Stainless Tubing
• New GP19 Style Canister
• Saves 9.5 lbs Over Stock
• Stock 95 dB @7,000 RPM   M4 112 dB @7,000 RPM
• Includes stage 1 Quiet Insert
• Comes with M18 and M12 O2 Bung
• Q3 Stage 2 Quiet Insert Sold Separate