good job , even if think the dyno seem to read on the high side ..
it is still an impressive gain from 272 to 326.
is there a possibility to get some spec on those Momentum header ?
primary size and at the collector exit ?
edit; I found the spec I was looking for.. not surprised of the gain anymore... I saw a few place they were listed at over 1200$ !!!
since Mike got 342whp STD with these . with some more research in the headers design and exhaust + some other work somewhere else . I would estimate an 360whp STD on your dyno is possible without those JUN ext. cams
Last edited by Megan370z; 12-20-2012 at 07:35 PM.
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