2017–2019 Audi A4 / A4 S-Line / S4 B9 Sedan R Style Ducktail Trunk Spoiler – Carbon Fiber
2017–2019 Audi A4 / A4 S-Line / S4 B9 Sedan R Style Ducktail Trunk Spoiler – Carbon Fiber
Sharpen the rear end of your Audi A4 or S4 B9 Sedan with this R Style carbon fiber ducktail trunk spoiler. Molded to follow the natural curve of the decklid, it adds subtle aggression and improved trunk definition for a more performance-driven profile without overpowering the clean factory lines.
Build
- Material: Genuine carbon fiber, lightweight and structurally durable, with an authentic weave appearance over carbon-look alternatives
- Manufacturing: Precision 3D-engineered and moulded for accurate trunk alignment
- Surface finish: High-polish gloss carbon finish with a protective clear coat
- Configuration: Single-piece ducktail trunk spoiler
Design & Finish
- R Style ducktail profile: Ducktail shape enhances the natural curve of the decklid for a sportier rear silhouette
- Carbon aesthetic: Gloss carbon weave and high-polish finish create strong contrast against the factory paint
- Factory-style integration: Precision-molded to follow the contour of the factory trunk lid for a clean, seamless fit
Fitment
- 2017–2019 Audi A4 B9 Sedan (4-door)
- 2017–2019 Audi A4 S-Line B9 Sedan (4-door)
- 2017–2019 Audi S4 B9 Sedan (4-door)
- Sedan only — not compatible with the Avant
Package Contents
- 1 × carbon fiber ducktail trunk spoiler
- Adhesive tape for installation
Installation
- No-drill, adhesive-mounted: Installs with the included adhesive tape — no drilling and no permanent modification to the factory trunk lid
- Surface prep: Thoroughly clean, degrease, and dry the trunk lid at the spoiler position before fitting to ensure maximum adhesion
- Alignment: Dry-fit and check the spoiler sits centred and symmetrical across the trunk lid before final adhesion
- Professional installation recommended for the best positioning, panel alignment, and finish
Before You Install
- Confirm your car is a B9 Sedan (2017–2019) before ordering — this is moulded for the Sedan trunk lid and will not fit the Avant
- Work in moderate temperatures and allow the adhesive to cure fully before washing the car
- Installation is reversible, but adhesive removal and re-prep may be required if the spoiler needs repositioning
Ships within 1-2 business days.
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2017–2019 Audi A4 / A4 S-Line / S4 B9 Sedan R Style Ducktail Trunk Spoiler – Carbon Fiber
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.