Ive had 245/45-R16's on my NA since early june and I wont go back. Better feel with the lower sidewall, better traction with the wider meat, Less snap back when drifting giving you more control. I went with some Yokohama ES100's they are going for $97
Kai 14.765 @ 92.22m.p.h. #4 in 2002 on Z32racing.com in NA drags (206.4 RWHP)