For those of you looking for an OEM+ carbon fiber diffuser, this is the diffuser for you! 

Fitment:

2015-2018 F80 M3 (Base, Competition, CS, Etc.)

2015-2020 F82 M4 (Base, Competition, CS, Etc.)

-Perfect Fitment

-100% Carbon Fiber 

This is our newly redesigned Dry Carbon Extended-Fin Competition Rear Diffuser for the F80 M3 and F82 M4. Featuring larger fins for added aggressiveness and functionality. Designed to mount directly into the lower rear factory bumper for a simple and fast installation. This carbon fiber diffuser is made with our 100% true pre-preg technology for the ultimate light-weight, high-durability, and precise-fitment. AutoTecknic Dry Carbon Fiber Diffuser is both highly visible and highly functional.