Here's what we use. These are fiberglass and blow into the center of the ventilated disk, and also just above the outside of the disk. Hose runs above control arm and below drive shaft. Not a lot of wasted air and hi velocity. 2.5" hose. Also blows on wheel bearing too.


http://i17.photobucket.com/albums/b5...g/IMG_0605.jpg

http://i17.photobucket.com/albums/b5...g/IMG_0609.jpg

http://i17.photobucket.com/albums/b5...g/IMG_0618.jpg

http://i17.photobucket.com/albums/b5...g/IMG_0607.jpg

http://i17.photobucket.com/albums/b5...g/IMG_0606.jpg