Thread: 987 Exaust Manifold on 986 3.4L
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Old 04-03-2013, 06:31 PM   #20
BYprodriver
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Quote:
Originally Posted by Johnny Danger View Post
That's small. I run 2.25 inches from the flange, through the primaries - all the way to the catback. The catback has 3 inch inlets and 3.5 outlets.
Not the Hemi 'Cuda, the Boxster.
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