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2017-2020 Audi A4/S4 Renntech Style Carbon Fiber Trunk Spoiler | B9 A4/S4

$389.99

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Description

Transform the roofline of your 2017-2020 Audi A4/S4 B9 with this Renntech-style carbon fiber trunk spoiler — a sleek, low-profile upgrade that adds downforce character and luxury aerodynamic styling. Built from genuine 2×2 carbon fiber, this spoiler fits all B9 A4 and S4 variants (S Line and non-S Line) and installs in under 30 minutes with no drilling required.

Key Features

  • Real 2×2 Carbon Fiber Weave — deep gloss finish with authentic woven carbon construction
  • Glossy UV-Protectant Clear Coat — long-lasting protection against UV fading and surface oxidation
  • Tool-Free Install — 3M tape pre-applied, installs in under 30 minutes
  • Universal B9 Fit — fits both S Line and non-S Line A4, and S4
  • Save $300-$500 vs. Retail — premium look without the premium price
  • Free USA Shipping via UPS

Vehicle Compatibility

  • 2017–2020 Audi A4 Non S Line (B9)
  • 2017–2020 Audi A4 S Line (B9)
  • 2017–2020 Audi S4 (B9)

Installation

Clean the trunk lid surface thoroughly before installation. Peel the 3M tape backing and press firmly into place. No drilling or professional tools required. Total install time under 30 minutes. Professional installation always recommended for best results.

Why Buy From All Audi Spare Parts?

We carry only Audi-specific upgrades — sourced and quality-checked for perfect fitment on your B9. Free shipping, fast dispatch, and an Audi-obsessed support team ready to help with any fitment question. Order with confidence.

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