dianebarrai Jun 28, 2013 09:33AM Product Review: MAGNUM DIGITAL MAP MAF ENHANCER to 12V Sensors Chevrolet Biscayne 350 V8 EFIE HHO Chip - gpsrevs.com/product-review-magnum-digital-map-maf-enhancer-to-12v-sensors-chevrolet-biscayne-350-v8-efie-hho-chip/