Audi A4 B9 S Line / S4 Sedan Carbon Fiber Rear Bumper Diffuser 2017–2019
704.99€ 783.32€
Sold By: Carbon Fiber Car Parts
SKU: LC-AC-P-4539346649170
Categories: Rear Diffusers
Product specifications
| Vehicle Make | Audi |
|---|---|
| Vehicle Model | A4 / S4 |
| Generation / Chassis | B9 |
| Production Years | 2017-2019 |
| Part Type | Rear Diffuser |
| Placement | Front |
| Material | Carbon Fiber |
| Finish | Gloss |
| Color | Red |
Audi A4 B9 S Line / S4 Sedan Carbon Fiber Rear Bumper Diffuser 2017–2019
Sensor Notice: If your vehicle has a rear kick sensor, rear sensor cover, or sensor-related trunk opening function, please confirm with us before ordering. Some sensor functions may be affected after installing an aftermarket rear diffuser.
Product Specifications
- SKU: ML-HZJ011-2
- Material: Real carbon fiber
- Carbon Weave: 3K twill carbon fiber
- Finish: Gloss carbon fiber finish with UV-protected clear coating
- Style: Replacement-style rear bumper diffuser / rear valance upgrade
- Design Detail: Red center light detail
- Installation Method: Factory screw locations may be reused; professional installation recommended
- Package Includes: 1 rear bumper diffuser
Key Features
- Designed for selected 2017–2019 Audi A4 B9 S Line / S4 Sedan models
- Gloss 3K twill carbon fiber finish for a cleaner rear-end upgrade
- Rear diffuser design helps create a sportier and more aggressive rear bumper appearance
- Red center light detail adds a distinctive rear styling element
- Replacement-style structure designed for the rear lower bumper area
- Quality checked before shipment
- Protected export carton packaging
- Professional installation is recommended
Installation Notes
This rear bumper diffuser is a replacement-style exterior part. Factory screw locations may be reused during installation, but final mounting may depend on bumper condition, vehicle configuration and installer adjustment.
Test fit the diffuser before final installation. Make sure the rear bumper area is clean and dry, and confirm the alignment around the exhaust openings, side edges and center section before securing the product. Professional installation is recommended.
Before Ordering
This product is designed for selected Audi A4 B9 S Line and S4 Sedan rear bumper styles. It is not designed for A4 Base non-S Line bumpers, Avant / Wagon models, RS4, A5 / S5 / RS5, B8 / B8.5, 2020+ B9.5 models, or aftermarket rear bumpers unless confirmed by our team.
FAQ
Does this fit Audi A4 Base models
No. This rear diffuser is designed for selected Audi A4 B9 S Line and S4 Sedan rear bumper styles. It is not designed for A4 Base non-S Line rear bumpers.
Does this fit Audi RS4
No. This product is not designed for Audi RS4 models. Please check RS4-specific rear diffuser products instead.
Does this fit Audi A5, S5 or RS5
No. This rear diffuser is not designed for Audi A5, S5 or RS5 models.
Will this affect the rear sensor or kick sensor
Sensor function may be affected depending on vehicle configuration. If your vehicle has a rear kick sensor or sensor-related trunk opening function, please contact us with photos before ordering.
How is this rear diffuser installed
This is a replacement-style rear diffuser. Factory screw locations may be reused, but test fitting and professional installation are recommended for proper alignment.
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