Kumho KU36's

[euromandeluxe]

for your 17x9? what's the wheel offset? need that to determine if it will fit.

Performance depends on what you're after. What's your front tyre size? What's your current rear size? Do you find the rear to be taily? Wider rears will (generally) mean more rear grip and less oversteer tendency.

this is the tyre size calculator i use:

http://www.miata.net/garage/tirecalc.html