Quote:
Originally Posted by WRXlerate
I've done 2 perrin's with leaking issues on one of them. I am one to agree that the flex sections should have gotten better with time and complaints of failure. Not that I am a big fleabay fan but I was reading some reviews on that low cost ERZ pipe that seems to be ok. I was originally sticking with the perrin because they claim theirs is the correct diameter pipe to keep the exhaust flow at its optimum velocity. Would that be an issue with some of these other pipes that are probably a bigger diameter with a flex joint to add turbulence?
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The pipe diameter does have effects. If you're using a stock or similar sized turbo, you'd probably want a Perrin or GS or APS or other well-known brand. Somebody that you can honestly believe did real R&D to some degree on their product, rather than just slapping together something that "fits" and calling it good.