I just autox'd n july w/ a buddy that has a infrared SVT focus w/ 16 in rota slipstreams for track duty.
He didnt have any clearance issues that i know of.
g luck and nice choice.I run falkens and love em.
01 zx3 6k $, go fast bits 6 k$, beating a 08 zo6=priceless
JUNE 2010 ROTM