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This extension kit is designed to extend your NTK Wideband O2 sensor (included with the FAST XFI or Classic) into the passenger compartment. This kit assumes you want to run your wideband connection through the firewall as it’s supplied with one of the connectors removed. This permits a small hole to be drilled thru the firewall to feed the seven wires between the engine bay and the passenger compartment. Simple pictorial instructions are included to terminate the connector once it’s installed. Wideband O2 extension for FAST or XFI - 6 ft.
