ECS Tuning Gloss Black Rear Diffuser - S4 B9 E86 034Motorsport engineers first created a

034Motorsport engineers first created a CFD-optimized carbon fiber intake tube

Seat Cupra ‘R’ VAGSport Resonator Delete Pipe

fully TIG welded

2006 8N3 [1998-2006] Coupe Audi TT 2005

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

ECS Tuning Gloss Black Rear Diffuser - S4 B9 E86 034Motorsport engineers first created aUpgrade 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