Porsche Rear Spoiler Air Duct Left - 911 08-09 997-512-771-02 9935058430101C Enhanced Performance: Can increase fuel

Enhanced Performance: Can increase fuel efficiency and enhance overall handling

Porsche Allows even sportier tuning of the transmission and

Porsche Crankcase Check Valve for Air Injection System for Cayenne S (2003-2006) models

Flexible around corners

Porsche Rear Spoiler Air Duct Left - 911 08-09 997-512-771-02 9935058430101C Enhanced Performance: Can increase fuelPorsche Rear Spoiler Air Duct (Left) For Porsche 997 (2008 2009) Models. Enhance the aerodynamics of your Porsche 911 (08 09) with the Rear Spoiler Air Duct. This high quality, left sided air duct is designed to improve the airflow around the rear spoiler, resulting in increased downforce and stability at higher speeds. Manufactured to exact specifications, it's a must have for any performance vehicle.