what for u wanna use VR4rs ECU?i can install u Haltech E6x that will give u more hp compare to standard stock ECU...call me at 013 2235937 sham for info....
Which is louder? Coz to me, i compared both my friends car which just installed a wastegate i think my other fren which is using dumppipe is much more louder, wat about u guys? both boosting > 1 bar