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M4 Exhaust Lead time could be up to 4-10 Weeks before shipping.

M4 Exhaust Dual Black Retro-Drag Slip-Ons 2008-2020 Hayabusa SU8322

M4 Exhaust Dual Black Retro-Drag Slip-Ons 2008-2020 Hayabusa SU8322

Attention! The Exhaust you are purchasing is currently on backorder. Once your Order is placed, we will email with an estimated delivery date as soon as possible.

Regular price $671.65 USD
Regular price $707.00 USD Sale price $671.65 USD
Sale Sold out
Shipping calculated at checkout.

Twin black retro-drag style slip-on’s give the busa a cool, unique look and sound! Saves 21lbs over stock and adds 6.2 horsepower @ 11,000 RPM.

  • Comes with Stage 1 Quiet Inserts Installed

Typically ship within a few business days *Does not meet emission requirements for street or highway use.

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