Dear All,
I find immediate vibration after changed to hotbits extractor 4-2-1 on my auto transmission car when in idle. Do i need to do tuning or reset ECU ? Thanks
err...i would like to know as lastime when i bought my evo3 halfcut...i can feel much smoother and stronger acceleration(more G pulling of power)...now after changing to 4g67 block using vr4 piston...when i...
I've heard that port bit of outter part to exhaust in the turbine makes air flow smoother.. is it true? but some say
it's quite risky because it might have some chances that the shell of turbine will get cracked.