ECS Tuning Gloss Black Rear Diffuser - A4 B9 S-Line Pre-Facelift 8j complete with thoughtful details like

complete with thoughtful details like connection to the original factory drain tube

Fits all Air Intake system on the market

manufacturing everything in-house

752 cm³ )

you have everything you need to fit the exhaust to your Mercedes-Benz

ECS Tuning Gloss Black Rear Diffuser - A4 B9 S-Line Pre-Facelift 8j complete with thoughtful details likeUpgrade your exterior styling with the ECS Tuning Gloss Black Rear Diffuser for your pre facelift B9 A4 S Line. This diffuser was engineered and designed in house to add a more aggressive appearance to the rear of your vehicle that matches with the factory appeal of your Audi. An exclusive design only available through ECS Tuning, this rear diffuser will be sure to catch attention and turn heads. The diffuser is crafted of a UV stabilized ABS polymer