the ballasts were a challenge. the ones i have are the standard, large size. i could not find a place to mount them at the front of the bike. i'd bet the slim design ones could be mounted up front. i recommend the slim ballasts.
my neighbour spliced extensions into all the wiring. he taped it up real nice and ran the wiring to the ballasts in the trunk. i wired two 12v fans in the trunk in an effort to keep things cool. i don't use the trunk so the fans aren't in my way. i have a triple tree bag for wallet and phone.
overall i am happy with the hids. they are a different light. the thing i notice most is the way the road signs are light up. they look like they are back lit! i definitely reccomend the slim ballasts.
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