B9 S4 ZF8 TRANSMISSION PAN UPGRADE 😱 Our engineer tiredbutdriven has been cooking up this incredible design after the team over at turnermotorsport wrapped up their ZF8 transmission project. What other cool upgrades would you like to see come out of our R&D team here at ECS? #ecstuning #thisisecs #b9s4 #zf8 #zf8transmission #audi #audigram #s4 #audis4