- Decreased trim provides a 7mm screw and T20 screw. Get rid of and pull down tough. Not necessary to remove lower trim for 2018's. A blank option is also available for adding your own tailor made gauges. Speak to us if additional modifications or tailor made functions are sought https://louissyesv.like-blogs.com/31784396/2015-mustang-gt-digital-dash-secrets