Home » Audi S5 A5 Sline B9 2017-2020 Full Carbon Fiber/FRP Rear Bumper Diffuser

1.✅ US & EU warehouse for best-selling models
✅ Factory-made production for special or low-volume models
✅ Production time: 7–15 business days
✅ Strict quality inspection before shipment

2. Easy Returns & Worry-Free After-Sales

✅ 30-day return on unused items
✅ Return to US or EU local warehouse
✅ Damaged on arrival? Free replacement or refund within 72 hours
✅ Engineers provide fitment confirmation & installation guidance
✅✅ 1-Year Factory Warranty & Global After-Sales Support

3.Key Features —Audi S5 A5 Sline B9 Full Carbon Fiber/FRP Rear Diffuser

✅ Vehicle-Specific Fitment
Fits 2017-2020 Audi S5 A5 B9 Sline Coupe/Convertible/Sportback 2-Door 4-Door only.(Not for Audi A5 Base Models)
Free Shipping

✅ Lightweight & High-Strength(Carbon Fiber)
Premium 3x3 carbon fiber construction with UV-resistant high-gloss coating delivers lightweight strength and an unmistakable luxury carbon finish.

✅ Cost-Effective Alternative(FRP）
High Quality FRP provides a balance of performance and affordability, offering a more accessible option compared to carbon fiber while maintaining a premium appearance.

✅ Direct OEM Replacement
Direct replacement for the factory plastic diffuser — no cutting, no modification required.

✅ Easy & Fast Installation
Bolt-on design with self-tapping screws included. Quick installation (professional install recommended).

✅ Fitment & Quality Guaranteed
Backed by Ahacarbon’s strict quality control and fitment guarantee for long-term durability.

    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi_S5_A5_Sline_B9_2017-2020_Full_Carbon_Fiber_Rear_Bumper_Diffuser_ahacarbon
    Audi_S5_A5_Sline_B9_2017-2020_Full_Carbon_Fiber_Rear_Bumper_Diffuser_ahacarbon
    Audi_S5_A5_Sline_B9_2017-2020_Full_Carbon_Fiber_Rear_Bumper_Diffuser_ahacarbon
    Audi_S5_A5_Sline_B9_2017-2020_Full_Carbon_Fiber_Rear_Bumper_Diffuser_ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi S5 A5 Sline B9 2017-2019 Carbon Fiber Rear Bumper Diffuser-Ahacarbon
    Audi_S5_A5_Sline_B9_2017-2020_Full_Carbon_Fiber_Rear_Bumper_Diffuser_ahacarbon
    Audi_S5_A5_Sline_B9_2017-2020_Full_Carbon_Fiber_Rear_Bumper_Diffuser_ahacarbon
    Audi_S5_A5_Sline_B9_2017-2020_Full_Carbon_Fiber_Rear_Bumper_Diffuser_ahacarbon
    Audi_S5_A5_Sline_B9_2017-2020_Full_Carbon_Fiber_Rear_Bumper_Diffuser_ahacarbon

    Audi S5 A5 Sline B9 2017-2020 Full Carbon Fiber/FRP Rear Bumper Diffuser

    In stock
    $ 534.99 USD
    -10% $ 594.43 USD $ 534.99 USD
    Material

    ✔ 30-Day Hassle-Free Returns
    ✔ Factory Direct Pricing (No Middleman)
    ✔ Professional Installation & After-Sale Support

    1.✅ US & EU warehouse for best-selling models
    ✅ Factory-made production for special or low-volume models
    ✅ Production time: 7–15 business days
    ✅ Strict quality inspection before shipment

    2. Easy Returns & Worry-Free After-Sales

    ✅ 30-day return on unused items
    ✅ Return to US or EU local warehouse
    ✅ Damaged on arrival? Free replacement or refund within 72 hours
    ✅ Engineers provide fitment confirmation & installation guidance
    ✅✅ 1-Year Factory Warranty & Global After-Sales Support

    3.Key Features —Audi S5 A5 Sline B9 Full Carbon Fiber/FRP Rear Diffuser

    ✅ Vehicle-Specific Fitment
    Fits 2017-2020 Audi S5 A5 B9 Sline Coupe/Convertible/Sportback 2-Door 4-Door only.(Not for Audi A5 Base Models)
    Free Shipping

    ✅ Lightweight & High-Strength(Carbon Fiber)
    Premium 3x3 carbon fiber construction with UV-resistant high-gloss coating delivers lightweight strength and an unmistakable luxury carbon finish.

    ✅ Cost-Effective Alternative(FRP）
    High Quality FRP provides a balance of performance and affordability, offering a more accessible option compared to carbon fiber while maintaining a premium appearance.

    ✅ Direct OEM Replacement
    Direct replacement for the factory plastic diffuser — no cutting, no modification required.

    ✅ Easy & Fast Installation
    Bolt-on design with self-tapping screws included. Quick installation (professional install recommended).

    ✅ Fitment & Quality Guaranteed
    Backed by Ahacarbon’s strict quality control and fitment guarantee for long-term durability.