AutoTecknic Dry Carbon Extended-Fin Competition Rear Diffuser - BMW F80 M3 | F82/ F83 M4 fits_2000-2003`Nissan`Maxima the AutoTecknic Front Aluminum Strut

the AutoTecknic Front Aluminum Strut Brace is one of the most effective handling upgrades available

Optimized Flow Dynamics: Unrestricted gas evacuation reduces backpressure

545i and 550i models are equipped with 18k F / 20k R spring rates

Compatible with the BMW F25 X3 LCI | F26 X4 | F15 X5 | F16 X6 these side mirror covers are easy to install and offer an instant style upgrade

Please select desired Rear Coilover Design when ordering Divorced Style Coilovers equipped with 20k R spring rate

AutoTecknic Dry Carbon Extended-Fin Competition Rear Diffuser - BMW F80 M3 | F82/ F83 M4 fits_2000-2003`Nissan`Maxima the AutoTecknic Front Aluminum StrutProduct Description 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