AiM Sports MyChron Expansion Box - 4-Channel CAN Multiplier - All Kart ClassesWhen you're upgrading your setup with top tier performance parts, the AiM Sports MyChron Expansion Box is the ultimate telemetry multiplier that transforms your basic data logger into a professional grade monitoring hub. Compatible with the MyChron 6, 5S, 5T2S, and legacy MC4 series, this CAN bus multiplier seamlessly adds four additional channels to your dash. Think of it as the central nervous system of your racing chassis: plug in extra sensors for