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PLX Gen 4 Wideband AFR Combo Kit | DM-6 Touchscreen Gauge & SM-AFR Module Take total control of your engine tuning with the next generation of air/fuel ratio monitoring. The PLX Gen 4 Wideband AFR Combo pairs the redesigned, ultra-efficient SM-AFR...$259.22 -
PLX Gen 4 Wideband AFR Sensor Module Upgrade your vehicle's tuning capabilities with the next generation of air/fuel ratio management. The PLX Gen 4 Wideband AFR Sensor Module (SM-AFR) features an ultra-efficient redesigned architecture paired with...$205.99
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