greddy/ exhaust question
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#8
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Join Date: May 2008
Location: Northern Cali
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70mm even for greddy. I had 63 J's with high flow cat with Greddy turbo kit & it really limited the power. I opened it up with HFC & Greddy 70mm single & it made a ton more power. I did have o port my wastegate with the 70 & HFC though.
#9
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Join Date: Oct 2007
Location: Annapolis MD
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It may be cheaper just to get a HFC or TP if you like the exhaust. You can do it either way, get a larger exhaust and run a cat or HFC. Or get a more restrictive exhaust and run a TP. Since your in NJ you will have all 4 seasons so keep that in mind. So one set up may work fine in the summer but spike bad during the winter or real cold nights.