EFIE/ MAF ADVANCED GAS TUNER for HHO kits-(currently ONLY available with full kit purchases due to high demand)

These power packed QUAD EFIE/MAF/MAP Advanced HHO Tuners are perfect for the basic hho generator installation. The Narrow band version covers up to 4 Narrowband O2 sensors, and either MAF or MAP. The Wideband version supports one or two Front Wideband sensors, and up two Rear Narrowband sensors; get the additional control you need to see long term gains. HOW DO I KNOW WHICH ONE I HAVE?If your car is older, you may only have one O2 sensor - this is still the right EFIE for you. If your car is a 4 cylinder, just use one front and one rear adjustment setting. If your car is a 6 or 8 cylinder - use all 4, O2 sensor adjusters.  Does not modify or change your cars ECM programming. Includes a MAF/MAP connection to lean the fuel flow QUAD EFIE (Adjusts from 1 to 4 - O2 sensors) get the additional leaning power you need to see long term gains Will not harm or change ECU programming For best Long Term gains- use this Advanced Tuner! The MAF/MAP affects timing, the EFIE's control Air/Fuel Rati