GarageLine now offers wheels spacers for the 2015 Mustang GT. We currently have 1 inch spacers that fit great with the Performance Package wheel. 100% bolt on and no rubbing.   http://www.garageline.com/ford/312-2015-mustang-gt-wheel-spacers-package.html

We now offer wheel spacers for the 2002-2016 WRX & STI. 5mm, 10mm, 15mm, 20mm & 25mm! Studs Included – All in stock ready to ship!