M4 Exhaust

2008-2017 Hayabusa "Retro Drag" Slip On System with TWIN BLACK Mufflers

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"Retro Drag" slip on system with TWIN BLACK mufflers.

We offer a standard GP Mount Full System and Retro Drag system that mounts similar to the M4 GP Mount systems, but is actually a dual muffler system that gives your Hayabusa a really cool retro look.

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

Available dB reducing muffler inserts: Stage 1 part # Q1 (Installed), Stage 2 part # Q3


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Additional Info

Additional Info

20.00 LBS
Calculated at Checkout