11-17-2014, 06:17 PM
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#35
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Enlisted Member
Drives: 2006 Z4 M
Join Date: Oct 2014
Location: East TN
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Quote:
Originally Posted by tiltmode43
Did some pulls with a friend's ISF with intake and catback exhaust, though, and still couldn't hold a flame to him once I hit 3rd.
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What is an ‘ISF’?
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