The 4.eleven gearbox that comes with the JDM wrx is great. the USDM WRX gearbox is actually a POS as compared, trust me. you'll want to work with the right JDM gearbox with the right JDM EJ20 motor. I suspect the coil pack. Am I off foundation? I'll pick up https://donaldg603nts2.blogpayz.com/profile