i did it last year, works great.
measure your marker light and order 1 sheet about 2" longer than what you need and 3x higher so you have plenty to work with. it is listed on their bulk film section.
this pic shows the difference, the front is stock, the rear is tinted:
motion72.jpg
more pics:
https://www.crossfireforum.org/forum...ght=mrphotoman