ECS Tuning Forged Carbon Fibre Rear Diffuser - B8.5 S4 / A4 S-Line trophy These are manufactured from ABS

These are manufactured from ABS Plastic and are simple to install

OEM Part Number: 1S0199851

heat shield and filter kit

Aluminium Intake Hard Pipe Full

ECS Tuning Forged Carbon Fibre Rear Diffuser - B8.5 S4 / A4 S-Line trophy These are manufactured from ABSUpgrade your exterior styling with the ECS Tuning Carbon Fibre 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 Facelift B8 A4 & S4. The diffuser is crafted of high quality hand laid chopped carbon fibre to achieve it's world class appearance and durability and provides an aggressive and sporty style that's sure to set your