The 4.eleven gearbox that comes with the JDM wrx is awesome. the USDM WRX gearbox can be a POS in comparison, believe in me. you'll want to use the correct JDM gearbox with the correct JDM EJ20 motor. yeha, the sole harness little bit im missing will be the rear https://georgef592fxp7.wikiannouncement.com/user