How are those roof vortex holding up?Thank you sir! I don't have all the links, just search for Vvivid XPO vinyl in amazon and you'll find it, but here's one for the red vinyl:
I got the roof vortex generators on amazon:
And i actually made the rear diffusers myself out of some 1/8" ABS plastic:
I drew them, cut them out with jigsaw, sanded them, and then mounted them with some 90° tabs and self tapping screws.