Prosport JDM 52mm Wideband Digital Air Fuel Ratio Kit DSX Tuning (Previously D2-095) Rear Pair 2018-2021

(Previously D2-095) Rear Pair 2018-2021 STi D2-185

This kit replaces the awkward OEM fuel feed tube going from the hard line on the firewall to the engine

(1) O-Ring (MB946605)

new OEM BMW filter

Prosport JDM 52mm Wideband Digital Air Fuel Ratio Kit DSX Tuning (Previously D2-095) Rear Pair 2018-2021This complete Wideband Air Fuel Ratio kit from Prosport contains everything you need, including 0 5 volt output signal for data logging. Utilizing the latest Bosch wideband O2 sensor with a 5 wire heated LSU 4. 9 (Prosport Inc. is the only one in the USA to use them) this gauge now has the widest range 10. 0: 1 to 20. 0: 1 AFR readings on the planet. Featuring a Dual color (Amber, white) Analog readout in the center of the gauge with trailing LED's