M4 Performance Exhaust designs and manufactures high quality exhaust systems for all popular sport bikes. We create full systems and slip-ons that are dyno-tuned with precision for optimal performance and sound.
- Stainless Steel Tubing
- GP19 Style Canister
- Saves 12 lbs Over Stock
- Stock 95 dB @7,000 RPM M4 112 dB @7,000 RPM
- Pre-Installed with Q1 Quiet Insert
- Comes with M18 and M12 O2 Bung
- Q3 Stage 2 Quiet Insert Sold Separate