APEXi introduces the all new VAFC 2. The A'PEXi VAFC 2 is the sequel the the infamous VAFC, the digital fuel controller that allows optimal fuel enrichment and VTEC engagement control. Corrections can be made according to throttle position and includes parameters for both low and high camshaft lobes. This is what is required to change VTEC engagement points without damaging your engine. The new VAFC 2 works with VTEC and i-VTEC engines and has an illuminated dial that changes color with vtec engages.