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.

Suzuki's Mighty Hayabusa has ruled the streets since its debut over 20 years ago.  M4 helps you get the most from your 1st generation 'Busa with its Retro Drag slip-ons in a subtle satin black finish.  Styled after classic megaphone racing exhausts, They will give your bike the power and sound to match its fearsome reputation.

Features:

• High quality stainless steel
• Significantly lighter than OEM exhaust
• Quiet inserts included
• All M4 mufflers are fully rebuildable