- Reduce trim has a 7mm screw and T20 screw. Get rid of and pull down challenging. Not needed to eliminate reduce trim for 2018's. So Of course you can get the heated wheel SCCMs and incorporate the heated wheel afterwards. Or you may get them and in no way https://grow-kit-b62483.ivasdesign.com/53709204/a-review-of-mustang-digital-speedometer