AutoTecknic Dry Carbon Extended-Fin Competition Rear Diffuser - BMW G20 3-Series Add OE BMW M Performance Rear Bumper Trim:Yes - G20 330I M-Sport FRONT REAR SPRING RATES 14k

FRONT REAR SPRING RATES 14k Varies (See Below) UPPER MOUNT OEM OEM

FRONT REAR SPRING RATES 20k 16k UPPER MOUNT Aluminum w/ Hardened Rubber Bushings OR Pillowball  Aluminum w/ Hardened Rubber Bushings OR Pillowball

Crafted with precision using 3K twill weave carbon fiber and 100% true vacuum technology this carbon fiber splitter set guarantees ultimate lightness durability and a perfect fit

(1) Left Carbon Wind Deflector

AutoTecknic Dry Carbon Extended-Fin Competition Rear Diffuser - BMW G20 3-Series Add OE BMW M Performance Rear Bumper Trim:Yes - G20 330I M-Sport FRONT REAR SPRING RATES 14kProduct Description This is our newly redesigned Dry Carbon Extended Fin Competition Rear Diffuser for the G20 3 Series. 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 lightweight high durability and precise fitment. AutoTecknic Dry Carbon Fiber