Originally Posted by Fezzik

I thought so, but Sam doesnt think so. Its a pretty complicated engine and could be a number of things. Sam has stated that they are working on it. It's not going to affect the performace but the sound can be tedious, but then again I'm not going to be driving like grandma. I'll have videos up of full runs tonight hopefully.

I'm going to try a billet alluminum one and be able to change the spring in it like this one:
SuperchargersOnline.com :: Product: Billet Aluminum Race By-Pass Valve (Polished, Direct Replacement)