Carbon Fiber Rear Diffuser for 2013-2016 Audi A5/S5 [B8.5] By Deval (D29244)

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NOTE: Like all Carbon Fiber and FRP products on the market, this product must be test fitted & prepped before installing it. Often, slight modifications are required such as trimming, sanding, filing, or smoothing the surface in order to get best fitment and appearance. This is NOT an OEM product, fitment will NOT always be perfect straight out of the box. We recommend having this product installed by a company that has experience working with AFTERMARKET body kit pieces, not a standard collision repair center that only works on insurance claims. Images below show an accurate representation of THIS PRODUCT, properly installed by a professional installer. We also install this product at our own installation facility in southern California.


  • 2012-16 Audi A5 and S5 [B8/B8.5]


  • Aggressive new look enhances your A5 or S5's Appearance

  • Make your A5 or S5 Stand out from the Crowd

  • Genuine Carbon Fiber Creates a Race-Inspired Aesthetic


The design of DEVAL's B8.5 S5 carbon fiber rear valence follows its B8 design heritage and delivers an unmatched level of aggressiveness to the vehicle while retaining Audi's luxury elegance. Made with real multi layer aerospace carbon fiber construction for strength & durability. The use of superior materials & manufacturing process produces a lightweight & high quality product. Direct replacement of factory valence & comes with installation hardware.
(Fits 13-14 S5 B8.5) 
Made in USA

Designed and manufactured to improve performance and everyday drivability, DEVAL aerodynamics offers integration between style and performance. Proven on the race track, DEVAL body kits are trusted by professionals to improve airflow & handling on their race car. Each DEVAL product is made with the optimal material to utilize its specific advantages - making it comfortable on the track or on the streets.

Please contact us if you have questions about the Deval Diffuser for Audi B8 A5 & S5
(714) 582-3330

Mod Category:
Mod Subcategory:
Rear Diffusers