EWG Add On Connectors jeep-grand-wagoneer-2022--esi9646603 press and hold the stage

press and hold the stage selector button until all lights turn off to save the calibration

it reduces turbo lag and improves throttle response

The default JB4 map1 runs 4psi over stock peak and tuned maps including stock and valet mode can be selected on the fly using a BMS diagnostics cable or JB4 mobile smartphone adapter

• Infiniti G35 2003-2008

EWG Add On Connectors jeep-grand-wagoneer-2022--esi9646603 press and hold the stageThe new EWG connections allow the JB4 to directly add and subtract wastegate duty cycle (WGDC) from the wastegates providing additional tuning flexibility. Most useful for modified vehicles that are having problems targeting boost properly and will also improve boost response, spool up, shifting performance, and overall feel. Note JB4 models shipped prior to Oct, 2019 may also require an updated 2580 master chip (available here) if EWG wires trigger a