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Old 05-28-2010, 06:17 PM   #146 (permalink)
hide187
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Location: Florida
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Quote:
Originally Posted by RCZ View Post
Hmm, 3" was recommended for bigger turbo setups on the STI (2.5l F4). Much smaller engine, granted target boost was 23psi for me then, but I would imagine the 3.7TT flows a lot more than the 2.5T did. Freer is better for FI apps. .02
Single piping vs dual maybe?? Dual 2.5 would be 5 inches of total piping.
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