Maxton Design Central Rear Splitter For Audi A5 S-Line 8T Coupe / Sportback (With a Vertical Bar) Surface:Gloss Black we put together this video

we put together this video showing our intake design on the F83 M4 which has the same scoop/duct design:

These were designed to provide your VW with a more aggressive look by accentuating the area around the fog grilles

Mimics the lower section of the bumper & grille lines to accentuate OEM features

in fact we could not achieve the same results as we did with our single duct design

Maxton Design Central Rear Splitter For Audi A5 S-Line 8T Coupe / Sportback (With a Vertical Bar) Surface:Gloss Black we put together this videoREAR CENTRAL SPLITTER FOR AUDI A5 S LINE 8T COUPE SPORTBACK (With a Vertical Bar) Fits: Audi A5 S Line 8T Coupe Sportback (2007 2011) COMPLETE SET CONTAINS: Central Rear Splitter (With a Vertical Bar) Central Rear Splitter is ready for mounting. No need of any additional work, unless you want to paint it for a different colour. The central rear splitter lowers the car visually and improves the grip and vehicle stability. Product is made of ABS