2PCS M18 X 1.5 Bung 32mm O2 Oxygen Sensor Spacer Test Pipe Extension Extender Adapter 666 1x tailgate handle For BMW

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2PCS M18 X 1.5 Bung 32mm O2 Oxygen Sensor Spacer Test Pipe Extension Extender Adapter 666 1x tailgate handle For BMWSpecification: These are needed when using a HHO System or a test pipe. They are also used to lean out your vechicle for better gas milage. Easy installation: They are very easy to install by unscrewing your O2 Sensor from your exhaust then screw your sensor into the extender,and then screw the two pieces back into your exhaust, that's all! Dimension: Thread: M18x 1. 5mm Length: 32mm 1. 253 Inch Material: Stainless steel Fitment: The extender has a 7