That was the point...the 403's sound like stock cams. I wanted to dispel the myth that 403's are aggressive and unstable. They have a very stock and stable idle if installed properly. I don’t even have cam gears.

Here is the link you guys want:

http://videos.streetfire.net/video/7dbcb36c-e912-4f57-88a7-98d40163d8a0.htm

you could at least stood behind the exhaust...for all i can tell they sound like stock

All that and no rev? Im proud of you. But now make one with you driving. I want to hear those bastards.