ECS Tuning Gloss Black Rear Diffuser - S4 B9 E86 Helps reduce carbon build-up on

Helps reduce carbon build-up on intake valves

Audi S3 8V (Hatchback and Saloon variants) – 2

and install is recommended using self tappers

Audi TT Mk2 2

ECS Tuning Gloss Black Rear Diffuser - S4 B9 E86 Helps reduce carbon build-up onUpgrade your exterior styling with the ECS Tuning Gloss Black Rear Diffuser for your pre facelift B9 S4. 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 to