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Upgrade 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 B7 S4. The diffuser is crafted of high quality hand laid carbon fiber to achieve it's world class appearance and durability and provides an aggressive and sporty style that's sure to set your vehicle apart from the rest.?
Installs with no drilling, cutting, or modification of any kind required. Simply remove your currently installed valance and install the diffuser using the factory mounting locations and hardware.??
To compliment the look of your new diffuser, check out the ECS Carbon Fiber Trunk Spoiler and Front Lip, only available from ECS Tuning.
*Fits standard B7 S4 and will fit the A4 S-Line with quad tip exhaust modification.
