Rear diffuser mod - need opinions - AudiWorld Forums
KARBEL AUDI AUDI S6 C7/C7.5 CARBON FIBER REAR DIFFUSER WITH BRAKING LIGHT - Winn Autosports
Audi C7 A6 S-Line Rear Diffuser - Gloss Black
Amazon.com: Carbon Fiber Rear Diffuser fits for Audi A6 C7 2016-2018 Base Sedan Bumper Cover Lower Lip Spoiler Valance Protector Body Kits Factory Outlet : Automotive
Amazon.com: MCARCAR KIT Carbon Fiber Rear Diffuser for Audi A6 Standard Sedan Pre-facelift 2012-2015 Lower Bumper Lip Spoiler Body Kit(Nor for Sline & S6) Factory Outlet : Automotive