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.

Select Your Make

Suzuki
Suzuki Systems
Honda
Honda Systems
Yamaha Systems
Yamaha Systems
Kawasaki Systems
Kawasaki Systems
Aprilia Systems
Aprilia Systems
BMW Systems
BMW Systems
Triumph Systems
Triumph Systems
Replacement Parts
Replacement Parts
KTM Systems
KTM Systems