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Fits the 2005-2009 Subaru WRX with EJ20T and automatic transmission
The Racing Series muffler design uses minimal sound dampening to maximize exhaust flow
If you're second guessing your AFR's under boost
Produces an aggressive whistle
ProSport 2-1/16" JDM Wideband Digital Air Fuel Ratio kit PDM_axle-back-exhausts Fits the 2005-2009 Subaru WRXInstallation Instructions Setting Warning Mute Complete Wideband Air Fuel Ratio kit JDM Series (Japanese Dual Movement) 52mm (2 1 16") This one gauge will display Amber and White Analog and Blue Digital at the same time. Includes 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) our gauge now has the widest range 10. 0: 1 to 20. 0:
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