Audi A3 S line / S3 8Y Sedan Rear Diffuser, 3×3 Carbon Fiber, 2021–2023
Available in stock (20)
3×3 Carbon Fiber Rear Diffuser for Audi A3 S line and S3 8Y Sedan
Replace the factory rear diffuser with a 3×3 weave carbon-fiber piece for the 8Y Audi A3 S line or S3 sedan. The source describes a double-layer UV-protected clear coating.
Listed fitment
- Audi A3 S line and S3, 8Y-generation 4-door sedan.
- Model years 2021, 2022 and 2023, according to the supplied product details.
- Fitment for other trims, body styles or bumper configurations is not specified. Compare your factory diffuser and mounting points before ordering.
Material and package details
- Material: 3×3 weave carbon fiber, as listed in the source.
- Finish: double-layer UV-protected clear coating, according to the source.
- Installation hardware: self-tapping screws are listed as included.
- Exact package piece count is not specified.
Installation and sensor clearance
The listing describes this as a replacement-style diffuser and recommends professional installation. Test-fit the part before fastening and check clearance around sensors, wiring and adjacent bumper components. Self-tapping screws may require drilling; a no-drill installation is not guaranteed. No tested downforce, handling, drag or fuel-economy results are provided.
Fitment-tag notice
The existing hidden vehicle tags refer to older Audi A3 8V model years 2014–2016, not the stated 2021–2023 8Y fitment. The tags have been retained unchanged; verify your exact vehicle and bumper before ordering.
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