had the silverstar ultra also
I already had a piaa intense white on order when i got my bike(ordered it for my honda shadow). PIAA is better than the Silverstar which is better than the Stock. Very nice white light from the PIAA not blue.There is more light output for both the dims and brights. The dims i would say shine a tiny bit further if at all, but its more usable light in that area and is brighter. The highbeams on the other hand shine quite a ways more and has usable light maybe 1.5X the stock bulbs imo. Will probably change as the light is used a little more since this is the first few hours it has been used.