Video I took today so you guys can here what the HiTechs Stage IIs sound like.
Mustangcams.flv video by scupking - Photobucket
Mustangcams.flv video by scupking - Photobucket

Very nice. Subtle at the high idle, but if you get it tuned I'm sure they will bring the idle down and it will be more pronounced.
I bet it pulls pretty well now.