F8X PSM Style Rear Carbon Fiber Diffuser M3 M4

Mashimarho

$999.99

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Perhaps the aero component that gives the F80 F82 F83 M3 M4 rear end the treatment it deserves. Arguably the biggest change you can make for both looks and aerodynamics. 


This 5 piece carbon fiber diffuser is made to fit all F8X vehicles and uses existing hardware. Installation will require an extra pair of hands. We recommend a professional shop putting it on. See photos for reference. Install takes few hours.

Install: PLEASE ADD 2 SMALL holes with screws. See 4th and 5th photo.

You can add the option to have your kit come with the LED rain light instead on the upper.