AUDI A4 (S-LINE)/S4 B9 SALOON CARBON FIBER REAR DIFFUSER (2017-2019) JC Designed with a quad exhaust

Designed with a quad exhaust tip design so A4 S Line models will need a custom exhaust to fit

This aggressively styled front splitter completely changes the RS7's appearance

Upgrade your BMW 2 Series (M-Sport) with our pre-preg carbon fibre rear diffuser

This aggressively styled front splitter completely changes the Audi's appearance

Upgrade your AUDI A3 (S-LINE)/S3/RS3 8V HATCHBACK with our sleek and aerodynamic carbon fibre spoiler

AUDI A4 (S-LINE)/S4 B9 SALOON CARBON FIBER REAR DIFFUSER (2017-2019) JC Designed with a quad exhaustEnhance the look of your AUDI A4 or S4 Saloon with our Carbon Fibre Rear Diffuser. Designed with a quad exhaust tip design so A4 S Line models will need a custom exhaust to fit. Not designed to fit the base model A4. Constructed with high quality wet carbon fibre with UV protectant clear coat to prevent yellowing and maintain its high gloss finish. In your package you will also receive all the necessary hard wear to install your new part to help for