Audi A4 B9 Quattro S-Line / S4 Sedan Carbon Fiber M Design Rear Trunk Spoiler 2017 - 2023

Elevate the rear roofline of your Audi A4 B9 Quattro S-Line or S4 Sedan with this genuine carbon fiber rear trunk spoiler, precision manufactured using a 3D design, CNC milling, and full autoclave curing process. Presented in an exclusive JC-M design single deck profile, this spoiler adds a purposeful and refined performance aesthetic to the boot lid that complements the factory B9 body lines while introducing a premium carbon fiber visual detail to the rear of the vehicle. The high-gloss epoxy polished surface showcases the natural carbon weave in exceptional detail and provides lasting UV and moisture protection for sustained outdoor and driving use. Adhesive tape is supplied for a clean, no-drill installation with no permanent modification required to the factory boot lid.

Features:

• Genuine carbon fiber construction – autoclave cured using 3D design and CNC milling for precise spoiler geometry, consistent panel quality, and high structural integrity
• High-gloss epoxy polished surface finish – showcases the natural carbon weave and provides lasting UV and moisture protection over sustained outdoor and driving use
• Exclusive JC-M design single deck rear trunk spoiler profile – adds a purposeful and refined performance aesthetic to the A4 B9 and S4 Sedan boot lid roofline
• Adhesive tape installation – clean, no-drill fitment with no permanent modification required to the factory boot lid
• Lightweight carbon fiber construction adds negligible weight to the boot lid

Specifications:

• Condition: 100% Brand New
• Type: Rear Trunk Spoiler
• Material: Genuine Carbon Fiber
• Surface Finish: High-Gloss Epoxy Polished
• Style: JC-M Design · Single Deck Rear
• Manufacturing Process: 3D Design · CNC Milling · Autoclave Cured
• Installation Method: Adhesive Tape (included)
• Position: Rear Trunk Boot Lid
• Purpose: Retrofit / Upgrade

Fitment:

• Audi A4 B9 Quattro S-Line Sedan 4-Door (2017–2023)
• Audi S4 B9 Sedan 4-Door (2017–2023)
• Compatible with A4 B9 and S4 factory boot lid only – not compatible with Avant or Allroad body styles
• Sedan 4-door body style only – confirm body style before ordering

Contents:

• 1x Carbon Fiber Rear Trunk Spoiler
• Adhesive Tape for installation 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
• High-gloss epoxy finish maintains the premium carbon surface appearance over prolonged outdoor and driving exposure without fading or yellowing
• JC-M design profile adds a refined, performance-inspired finishing detail to the A4 B9 and S4 Sedan roofline that complements the factory body design without an overly aggressive appearance
• Adhesive tape fitment is clean and reversible – no drilling, no boot lid modification, and no permanent commitment to the factory bodywork required

Installation Notes:

• Adhesive tape supplied – thoroughly clean, degrease, and dry the factory boot lid surface before installation to ensure maximum adhesion strength
• No drilling or permanent bodywork modification required – fully reversible installation
• Compatible with A4 B9 Quattro S-Line and S4 Sedan factory boot lid only – not confirmed for Avant or Allroad body variants
• Sedan 4-door body style only – verify body style before ordering
• Professional installation recommended for optimal spoiler positioning, panel alignment, and finish quality
• If unsure about compatibility with your specific A4 B9 or S4 B9 variant, contact our team with your year, model, and body style 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