ECS Tuning Carbon Fibre Rear Diffuser - A4/S4 B9 oil managment Tips are made from T304

Tips are made from T304 Stainless Steel and feature T304 band clamps

*ECU will need to be coded to avoid engine management light errors

Please note this item is made to order and lead times will vary

750 mm² / 136

ECS Tuning Carbon Fibre Rear Diffuser - A4/S4 B9 oil managment Tips are made from T304Upgrade your exterior styling with the ECS Tuning Carbon Fiber Rear Diffuser. 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 the Audi B9 S4. 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 high quality hand laid carbon fiber to achieve it's world