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Old 03-12-2007, 12:19 PM   #20
Scooby Specialist
Member#: 57871
Join Date: Mar 2004
Chapter/Region: NESIC
Location: Windham,Maine
2004 WRX
13.4 @ 102



What I had my guy do was just port out the head->exhaust mani and the exhaust mani ->uppipe parts by matching the gaskets. Like you said, I think it's best to only port out the "main" exits of the mainfold and keep the ID the same. I don't have any results yet to back this up, but this seems like the best way to go.
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