Does anyone know where I can get a roof diffuser? Ive seen a few before on our 1ers but I cant find any for sale. Its not a spoiler but a diffuser, like a series of fins.
Here is a picture of what I have in mind, except this is on a Evo. Any help would be nice, thanks guys.
http://images.gasgoo.com/MiMwMDRfMDA...n-roof-fin.jpg