My base line was between 260 to 265 rwhp (sae) bone stock on my 370z 7 AT.
after I added the stillen headers, berk cats, Stillen G 3 and a pulley change it made 310 Sae or 320.1 actual RWHP.
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 12.343 @114.14 . 4.5 stroker motor is now being built. Dec 1 2015.
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