just put a 2.76 pulley on my 03 cobra w/ basic supporting mods, went from 375whp to 440rwhp 469 ft/lbs torque:banana:.... had some belt slip issues on an underrated dyno so she shoulda made a little more...im in need of tires. also can i get away with a really good regular tire like an nt555 from nitto.. i live in ct it's kinda cold now but it'll be warming up w/in the next month