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2017–2018 Audi A4 S-Line / S4 B9 Sedan 3-Piece Front Lip Kit – Carbon Fiber
Sharpen the front end of your Audi A4 S-Line or S4 B9 Sedan with this three-piece carbon fiber front lip kit. Molded to follow the factory bumper lines, it adds lower definition and visual width for a wider, more planted, performance-driven stance without overdoing it.
Build
- Material: Genuine carbon fiber, vacuum moulded for consistent fitment, lightweight yet structurally strong, with an authentic weave appearance over carbon-look alternatives
- Manufacturing: Precision 3D-engineered for accurate bumper fitment
- Surface finish: Smooth gloss carbon finish with a UV-protected clear coat for long-term durability
- Configuration: Three-piece splitter kit for the lower front bumper
Design & Finish
- Aggressive stance: Three-piece layout enhances the lower bumper profile for a wider, more planted front-end look
- Carbon aesthetic: Gloss carbon weave and clear coat deliver premium contrast against the factory paint
- Factory-style integration: Precision-molded to the contours of the factory S-Line / S4 bumper for a clean, seamless fit
Fitment
- 2017–2018 Audi A4 S-Line B9 Sedan (4-door)
- 2017–2018 Audi S4 B9 Sedan (4-door)
- Fits the S-Line / S4 front bumper only — not compatible with the standard non-S-Line A4 or aftermarket bumpers
Package Contents
- 3 × carbon fiber front lip sections
- Mounting screws and adhesive tape for installation
Installation
- Two mounting options: Fits using the included mounting screws and adhesive tape for a secure fit across all three sections
- Drilling may be required: If you use the screw option, screw fixing pierces the bumper, so it is a permanent modification rather than a reversible fit
- Surface prep: If using adhesive tape, thoroughly clean, degrease, and dry the front bumper before fitting to ensure maximum adhesion
- Alignment: Dry-fit all three sections together and check spacing and symmetry across the bumper before committing to either method
- Professional installation recommended — with three separate sections, correct spacing and a balanced, symmetrical finish are harder to achieve unaided
Before You Install
- Confirm your car is an A4 S-Line or S4 B9 Sedan (2017–2018) before ordering — this will not fit the standard non-S-Line A4
- Plan the three-piece layout before you start — dry-fit and mark positions so the sections line up evenly
- If using screws, mounting is permanent — confirm placement carefully before driving any screws, as holes cannot be undone
- Front lips sit low and are exposed to kerbs, driveway ramps, and road debris — take care when parking nose-in
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed

2017–2018 Audi A4 S-Line / S4 B9 Sedan 3-Piece Front Lip Kit – 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.


