05-30-2013, 12:53 PM
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#11 (permalink)
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Base Member
Join Date: Oct 2012
Location: Canada
Posts: 188
Drives: 40th 370z
Rep Power: 14
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Quote:
Originally Posted by SPOHN
I know for a fact. I proved it here along with another forum member named Mike and a couple others. Your exhaust setup will be a factor on how much it helps. Between four of us with all NA breather mods and tune we were pulling between 330 and 349whp. One guy did 326whp on these headers and stock exhaust. My exhaust was to free flowing to get the higher numbers. I had the Greddy.
The sound is perfect. Apt of that again depends on your exhaust. But ultimately it's up to you.
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The only thing I'm worried about is noise. I'm running the HKS hi power which I would say is pretty free flowing already together with Berks HFC. I'm hoping to gain a little more noise at lower rpms compared to now and more power of course. Deciding between either F.I long tubes or these Z1 headers with test pipes. Just worried that the test pipes would be too loud cause people are saying they're a LOT louder.
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