Give your Audi A4 or S4 B9 an uncompromising performance look with a genuine carbon fiber rear diffuser including integrated LED brake lights. This upgrade creates striking lines, increased rear presence, and a sporty, motorsport-style light signature.
Made from high-quality 3K carbon fiber fabric, the diffuser impresses with its light weight, high stability, and first-class surface quality. The UV-protected sealant permanently protects the carbon structure from discoloration and ensures an elegant, high-gloss finish.
The integrated LED brake light adds an extra visual highlight and enhances the dynamic appearance of your vehicle.
Benefits for you:
Made from genuine 3K carbon
Integrated LED brake light for sporty accents
Weight-optimized and stable construction
High-gloss finish with UV protection
Precise fit for S Line / S4 bumper
Significantly more aggressive rear design
Product details:
Position: Rear bumper
Product type: Rear diffuser lip with LED brake light
Material: 3K carbon fiber
Surface: High gloss, UV-protected
Condition: New
Scope of delivery: Diffuser with integrated LED module, securely packaged with foam and polybag
Compatibility:
For Audi A4 B9
For Audi S4 B9
S Line version
Year of manufacture: 2020, 2021, 2022+
Assembly instructions:
Mounts to the original rear bumper. Electrical connection of the LED brake light is required. Professional installation is recommended to ensure optimal fit and safe operation.
This product is intended for retrofitting/tuning. Road legality depends on regional regulations – please check before use.
