Pick a product that specifically mentions brake dust removal.
It has a specific chemical that nuetralizes the dust. Just use the rinse and repeat method for really bad stuff with a medium bristle brush.
Eagle one is good as well, as black magic, I believe Prestone makes a cleaner in an orange transparent bottle.
White gauges and Temp Cntrl, OHCw/Buggman LED mod,
Bosch +4, Accel Coil Pack, MSD6AL, Walbro, HiFlo Fuel filter,
Custom Ram Air, K&N, Ported / Matched intake, JBA 9mm wires,
Tweeked FPR, EBC 6k's, DynoMax-S CatBack, Jet-Chip, Reflex shocks,
New Anvil Mounts, Timbren's, Optima Yellow, DB 220A Alt. w/4g. jumper,
Western snow plow, More2Come