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      02-22-2013, 06:25 AM   #76
GreekboyD
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Canada
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Drives: 2009 BMW 335d
Join Date: Jan 2012
Location: Toronto, ON, Canada

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2009 BMW 335d  [4.00]
I think Quaife is oft mentioned because they are so bullet proof and unmatched when it comes to reliability. Some people have said Wavetrac has had clunking issues which others have attributed to poor installs. Essentially, Wavetrac and OS haven't been around as long so people point to the Quaife first and recommend that.