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12-30-2011, 06:09 AM
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#19
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Private First Class 
Drives: 2014 Z4 35is, Alpine White
Join Date: Aug 2011
Location: Miami, Florida
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Quote:
Originally Posted by z435is
no i don't have one, I didn't get it because the numbers don't prove it worthy. the IS boosts at 14.5 psi, to safely run the jb4 without downpipes (as they are not available yet) you will be boosting the same amount. i think its just in peoples head to be honest. but again i don't have one and I'm just posting my personal analysis on numbers. So i can be way off here please no one hold this against me as I am not sure.
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Cool story, broham.
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