after you beat the game and get all the greffeti sols in someware if you talk to roboy you can do test runs and a jet rank is the best you can get

its just the best ranking you can get

got it

in (dash) u have to go da fastest as u can

in (tech), find a rail dat gives u 5oo and keep pressin y

in (grafitti) spray all da places dat it gives u as fast u as u can

in (flag) get all the flags as fast as u can

thanks so much! i cant wait to try it! ive been looking everywhere for how to do that!