DITTO, my first thoughts were that it idles better and runs smoother. i was running doraks previously and it made my bike a lil twitchy... just didnt run quite right with my setup. the power doesnt seem any different, but everything is very smooth. i'm running churchkeys V-BAK, pciii, ais removed, and V&H big shots.
few pix form a photo album i never finished---> http://ImageEvent.com/aquakeeper/audio77