well that would work if the pipe were straight....i can't speak for any other than my own, but the inlet and outlet on the resonator (correct spelling, btw) are not lined up. i was actually under the car when it was cut off, examined the smoking remains after it fell to the garage floor, and watched the guy bend the pipe to get it all to line up.
like i said, this is how it went on my car. i don't have any reason to belive it would be different for any other, but you might want to look at it before you go spending money on straight pieces of pipe and clamps. and besides, why clamp it when you can have it welded?
shawn