Audi A4 B8 S-Line / S4 Sedan Carbon Fiber JC Style Rear Valance Diffuser 2008 - 2012

Upgrade the lower rear profile of your Audi A4 B8 S-Line or S4 Sedan with this genuine carbon fiber rear valance diffuser, precision manufactured using a 3D design and CNC moulding process with full autoclave curing. Featuring a distinctive JC design with a bold wide scoop profile, this rear valance goes beyond a conventional diffuser to create a genuinely assertive lower rear appearance that sets the A4 B8 and S4 Sedan apart from the standard factory finish. The high-gloss epoxy polished and UV-protected surface showcases the natural carbon weave in exceptional detail, maintaining its finish over long-term outdoor and driving exposure. At 142.7cm wide, the valance delivers full-width lower rear bumper coverage for a comprehensive and impactful rear end upgrade. Both adhesive tape and screws are supplied for a secure and precise fitment. Features: Genuine carbon fiber construction – autoclave cured using 3D design and CNC moulding for precise valance geometry, consistent panel quality, and high structural integrity High-gloss epoxy polished and UV-protected surface finish – showcases the natural carbon weave in exceptional detail and resists UV exposure, moisture, and surface degradation JC design with bold wide scoop profile – a more distinctive and assertive rear lower appearance compared to standard diffuser alternatives Full-width 142.7cm coverage delivers comprehensive lower rear bumper upgrading for maximum visual impact Dual installation method – adhesive tape for a clean finish or screws for a more permanent and secure fitment Specifications: Condition: 100% Brand New Type: Rear Valance Diffuser Material: Genuine Carbon Fiber Surface Finish: High-Gloss Epoxy Polished & UV Protected Style: JC Design with Wide Scoop Manufacturing Process: 3D Design · CNC Moulding · Autoclave Cured Dimensions: 142.7 x 39 x 14 cm Weight: 1.25 kg Installation Method: Adhesive Tape & Screws (both included) Fitment: A4 B8 S-Line / S4 Factory Rear Bumper Only Purpose: Retrofit / Upgrade Fitment: Audi A4 B8 S-Line Sedan 4-Door (2008–2012) Audi S4 B8 Sedan 4-Door (2008–2012) Compatible with A4 B8 S-Line and S4 factory rear bumper only – not compatible with aftermarket or non-S4 bumper configurations Sedan 4-door body style only – not confirmed for Avant or Allroad body variants Contents: 1x Carbon Fiber Rear Valance Diffuser Adhesive Tape included Mounting Screws included Benefits: Genuine autoclave carbon fiber delivers an authentic carbon weave appearance and superior strength-to-weight ratio over carbon-look ABS or fiberglass alternatives UV-protected high-gloss epoxy finish maintains the premium carbon surface appearance over prolonged outdoor and driving exposure without fading or yellowing JC wide scoop design creates a more distinctive and aggressive rear lower appearance than conventional flat diffuser profiles – a bold statement rear end upgrade on the A4 B8 and S4 platform Full-width 142.7cm coverage ensures a comprehensive lower rear bumper upgrade with no factory bumper areas left exposed Dual installation method provides full flexibility – adhesive tape for a clean finish or screws for a more secure and permanent fitment Installation Notes: Adhesive tape and screws both supplied – select the installation method that best suits your preference for permanence and finish quality For adhesive tape installation – thoroughly clean, degrease, and dry the factory rear bumper surface before fitting to ensure maximum adhesion strength For screw installation – professional fitting is recommended to ensure correct valance positioning, panel alignment, and a clean finish Compatible with A4 B8 S-Line and S4 factory rear bumper only – will not fit aftermarket rear bumpers or non-A4 B8 bumper configurations Sedan 4-door body style only – not confirmed for Avant or Allroad body variants If unsure about compatibility with your specific A4 B8 or S4 variant, contact our team with your year, model, and trim level before ordering Shipping Information: Processing Time: 2-5 business days for warehouse stock items Made-to-Order: Please allow 2-4 weeks for shipping if product requires custom manufacturing Warranty: 12-month standard warranty from date of purchase Contact our support team for assistance with any issues