- Decrease trim provides a 7mm screw and T20 screw. Take out and pull down difficult. Not required to clear away decrease trim for 2018's. Scavenger hunt? Just get it from just one vendor lol. Autonation whitebear lake has all of the pieces in stock. Mine transported out in 3 https://mondogrowkits08417.affiliatblogger.com/84101292/5-essential-elements-for-2018-mustang-digital-dash