I also know
Stillen.com makes flares for the H2. Their products are usually first class. I have yet to see a pair, but I am considering buying some for the same reason.
I also believe the dealers are selling some flares, not sure who makes them though.
03 H2 Sunset Orange Polished Magna Charger w headers & cold air intake, 37" MTRs w Weld Mountain Crushers, GPS Nav. & 2 rear LCD TVs w DVD, Extreme Tube steps