06-11-2010, 03:05 PM
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#108 (permalink)
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A True Z Fanatic
Join Date: Feb 2009
Location: Texas
Posts: 30,879
Drives: 370z
Rep Power: 4210
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Quote:
Originally Posted by shumby
only building 4 psi. the headers are not allowing enough back pressure and is basically not allow the boost to stay in the cyclinder. stock headers and cats going back on the car.
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Hmmmm.....
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