1: Ground effects (that don't "a"ffect anything)
2: Useless wing
3: Oversize fart can (muffler) sticking out the back
4: Sacreligious paint colors/schemes (ie... school bus yellow)
5: More than one bumper sticker/decal (personally those go on my toolbox, don't like them on the car)
6: Wheels with wire spokes or spinners
7: Billet fuel inlet covers
8: Tires/wheels that extend past the wells
9: Jacking/lowering more than 1"
Someone want to add #10?
