Quote:
Originally Posted by Ccass
maybe another 1/10-2/10 if they were port matched and polished? The big question is finding a pair. They are out of production now. The whole Pontiac industry has been out for a while. So they are really hard to find.
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OK didn't realize that. I guess makes the decision easier and can always upgrade if they become available (along with the different head pipes).
Which Pypes muffler, turbo pro 14" or 18"?