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      11-17-2014, 06:17 PM   #35
8nthatk
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Drives: 2006 Z4 M
Join Date: Oct 2014
Location: East TN

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Quote:
Originally Posted by tiltmode43 View Post
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.
What is an ‘ISF’?
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