Audi A4 B8.5 12 15 C Style Carbon Fiber Boot Spoiler Coated Audi B8.5 A4 S4 Style Carbon Fiber Spoiler Eurobahndynamics Audi A4 B8 HK Style Carbon Fiber Trunk Spoiler Eurobahndynamics AUDI S4 A4 B8 TRUNK SPOILER GENUINE CARBON FIBER R STYLE. NWCarbon Haus A4 B8 Sedan M4 Style Dry Carbon Fiber Spoiler. Constructed of pre preg carbon fiber using state of the art technology to ensure perfect fitment and quality every time. Lead time 3 4 weeks.