For Volvo C70 S40 S60 S80 S90 V40 Black Rear Bumper Diffuser Spoiler Lip 6 Fins

【Reduce Air Resistance】This shark fin diffuser designed to increase a vehicle's aerodynamic performance.Reduces car's drag about 1.6% and increases down force.Reduce the airflow into the bottom, improve the steady of vehicle during fast driving.