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.

Small displacement bikes are more popular than ever.  Honda's 300cc sport and naked models are great all-arounders, providing tons of riding enjoyment without breaking the bank.  M4 offers an affordable slip on for your 300, available in 3 different muffler finishes.  Whichever you choose, M4 exhaust will add racetrack sound and style to your bike without emptying your wallet. 

• Aluminum muffler polished to a mirror finish
• Stainless Steel midpipe
• Satin black ceramic coated finish
• dB killer insert available
• Includes carbon fiber heel guard