Boxster for DE
Does anyone know what the policy is on helmet clearance for Boxsters in DE Events. I have heard different things. I understand that you need to use a roll bar extension and have 2 inches clearance with the broom stick test. Is it really 2 inches and do you still need that clearance with a hardtop? I only have about an inch with the extension. 
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Jim A.
2010 E93 M3
Sadly Departed P-Cars
1990 944 S2 Cab, 2002 996, 2000 Boxster, 1987 944
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