I have that wind, but mine is orange, and is on the hood. When my jeep is going 200 mph, I needed the down force on the front end to help with my 2 G's cornering. I did have 32 inch rims but I got a flat on the audobon at 328 mph so I optioned for the 25 inchers!
Oh ya, an update, I pulled a 5 second quarter mile! I had to add a 676 HP shot of nitrous to get the 1.9 v-tec I swaped into my jeep to go that fast.
hehe Jeep, the anti-rice