Originally Posted by Smokey Nagata

Do you have sport brakes in the rear or the base single piston rears ? You could run 17's with the bigger brakes and a Mickey or M&H (lower tire pressures on a warmish day should help you with traction). Or do one better and run 16's (don't know if 15's would clear) on the small base brakes and run a taller tire. Its all up to researching a decent setup for your purpose and power level !