For 6-cylinder Tacoma, 4Runner and many other Toyota applications. It calibrates the 0-5 V MAF sensor signal and intercepts the variable reluctance cam and crank sensor signals. This unit is has an internal enrichment module that works with either narrowband O2 sensor or wideband air/fuel sensors. The module allows a richer fuel mixture in boost at part throttle.
The R4 software is included with this unit.
Legal only for racing vehicles which may never be used upon a highway.