AC Style Rear Racing Wing Quality ABS Plastic Construction for great fitment. Not Cheap Fiberglass. ACS conversions offer refined technology developed in motorsport: aerodynamic kits which provide the necessary downforce at high speeds and reduce fuel consumption as far as possible. The wind tunnel test performed by the editors at "sport auto" found that the ACS Racing Rear Wing increased the downforce of the BMW M3 (E46) by 21.3 kg!

Comes unpainted - plastic black