APR Performance Carbon Fibre Rear Deck SpoilerThe 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