my mods are : 3 TBE,hks suction intake,invidia O2,ralliart spark plug wires,cosworth cams,crower retainers,ams lower and upper piping,hks bov,ingalls torque damper,walbro
tuned

I think my next mode is : perrin water injection system or koyo radiator.... or ???


I use my car daily and I want to nice street car...my goal is not 600whp...

advices please ??

 

I'd get a meth kit. You will be able to run more boost without the need for race gas. Granted, there is always a risk when running meth, however if you carefuly monitor levels / active lights, you should be ok...