Tesla Model 3 Rear Deck Spoiler 2017 - 2023 F82 M4 Their primary function is to

Their primary function is to reduce lift at high speeds by directing airflow along the sides of the car and preventing air from rolling underneath

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Tesla Model 3 Rear Deck Spoiler 2017 - 2023 F82 M4 Their primary function is toThe Rear Deck Spoiler is an aerodynamic component that can be used alone or in conjunction with other aerodynamic components to improve the overall efficiency of a vehicle's aerodynamic package. The APR Performance Rear Deck Spoiler integrates with the vehicle's rear deck to: Reduce rear end lift and increase high speed cornering grip (the magnitude varies depending on a vehicle's shape). Increase downforce and reduce drag when used with other