K Style Carbon Fiber Rear Diffuser for BMW F80 M3 F82 F83 M4 Tesla B/D Thermostat Housing was developed

B/D Thermostat Housing was developed to offer B and D Series engine owners a few more options with their cooling system setups

Precision fitment for RB26 engines

•Bolt on kit

helping deliver faster turbo response

Engineered for performance-focused drivers

K Style Carbon Fiber Rear Diffuser for BMW F80 M3 F82 F83 M4 Tesla B/D Thermostat Housing was developedUpgrade the rear end of your BMW F80 M3 F82 F83 M4 with the STRATEC K Style Carbon Fiber Rear Diffuser, designed to deliver an aggressive motorsport look with enhanced aerodynamic styling. The K style design features sharp contours and pronounced fins that give your M3 M4 a more track focused, race inspired appearance. It enhances airflow at the rear of the vehicle while adding depth and definition to the bumper for a bold visual upgrade. Constructed