hmmm... If you are a rich guy... then u can try import stuffs from jap or US. There are HKS kits for Jazz/Fit. There's also AJ-Racing's force induction kits. Try Honda FIT and Honda Jazz Forums. they just won race using their induction kits. Good luck...
i'm wondering to eliminate speedcut, only way is to change ecu.? i tried speeding with my 350z. max is 188kmh only, then the speed drop down already :(