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Old 02-12-2012, 06:38 PM   #18
Scooby Newbie
Member#: 200596
Join Date: Jan 2009
98 Forester 3.0R


the primaries are 1.5" od and 30" length. merge into 2.5" od pipe. I used some exhaust header calculator i found online, I have a legacy factory service manual that has all the specs for the cams. the exhaust could probably use some fine tuning but for my first headers they are pretty close. And yes 05 up ez30r with oem ECU,

I will add some more pics shortly, trying to fit this build up thread in between doing homework and building a FSAE racecar
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