ECS Tuning on Twitter: "Audi B7 S4 drivers get excited! The diffuser you're car begging for is finally here! Introducing the NEW Audi B7 S4 ECS Carbon Fiber Quad Tip Rear Diffuser!
ECS - 004070ECS01 - Audi B7 A4 Carbon Fiber Rear Diffuser - (NO LONGER AVAILABLE)
Rear Valance Audi RS4 B7 | Our Offer \ Audi \ A4 / S4 / RS4 \ RS4 \ B7 [2006-2008] \ Sedan Our Offer \ Audi \ A4 / S4 / RS4 \ RS4 \ B7 [2006-2008] \ Avant | Maxton Design