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      01-08-2013, 01:56 AM   #1
Drives: BMW
Join Date: Jul 2012
Location: Toronto

Posts: 98
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Most effective rear spoiler

It seems as though all the M3's in grand-am racing do not use huge rear spoilers like the ALMS M3. Is it because a huge rear spoiler is not needed for teams like turner or the rules don't allow it?
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