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Old 02-12-2013, 07:30 PM   #30
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Join Date: Dec 2010
Chapter/Region: NESIC
Location: Massachusetts
02 WRX 05 LGT
Slow Automatics


Originally Posted by manitou View Post
It would lower the IDCs at the same power output and it'll make more power and probably use less fuel doing it.
Correct, that goes back to what I was saying earlier. I think we're basically on the same page now. At a given power level, you'll use less with a good header. But the header has the potential to flow even more air if you'd like (or can), thus using more total fuel.
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