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.
- Get this shorty carbon slip-on to give your bike a sweet look while improving performance. Removes stock exhaust valve and muffler box, but retains catalytic converter. Comes with a removable quiet insert.
- Stage 1 Q5 Installed
- Q4 Stage 2 Quiet Insert Sold Separate