06-02-2011, 12:07 PM
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#8 (permalink)
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Base Member
Join Date: Nov 2009
Location: Plano, TX
Posts: 74
Drives: 09 G37S Sedan 6MT
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Quote:
Originally Posted by SPOHN
So what exactly seperates mid length from long tube headers. Is it a measurement? Just curious. My vote would be FI from what I've seen.
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If you look at the FI headers, they have 3 long individual runners/pipes that merge into into a single collector just before the flange. If you look at the PPE headers, they have 3 shorter runners/pipes that merge before the flange, and then have a single pipe that runs the last 3-4 inches. My guess, just by looking at them, is PPE did this to stay closer to an equal length on the individual runners, but I am not sure.
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2009 G37S Sedan-6MT: Advan / Volk / Tein / SPC / Invidia / Cobb / K&N
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