Hmm...I know that a few people have one of these mufflers, but how good are they? For example, all I really want to know is if there is a noticable differance of anykind(power,sound-thats a given one, etc.) and if they'd recomend them to other people.

From what I read on the mfg. site, I believe the CFM is around the 400 mark, but correct me if i'm wrong. Lastly, does anyone know where to get sound clips of one?!?!?!
-G