Originally Posted by fast&crooked
I have a 2011 and am on the fence about doing it. I can not put the power to the ground with a smaller pulley and tune with 315s in the rear.
I'm in the same boat, although I'm on stock 285's. Probably going to get either M/T or Nitto drag radials in the spring. Kinda silly to worry about making more HP until I can get what I have to hook.
US Navy (Retired)
2009 GT500 - Black, stripe delete, HID's, Shaker 1K, GT500 PTP. Brenspeed Stage 2 power package (JLT CAI, Metco 2.6" pulley, NGK plugs, tune), Barton shifter, FRPP lowering springs, 2010 GT500 wheels & tires.