I wouldnt say that it increased horse power or anything like that. Just made the throttle response really nice.
In conjunction with the 853 ultimap fuel chip, the bike ran real smooth and responsive. No stutters, back fires or popping. Just creamy revy V twin power.
This in addition to a well set up squish, dialed in cams. Spot on valve clearances and a little head work. Made for a big grin factor.
DC.
