2 Pack O2 Extender extension adapter oxygen sensor spacer cel fix m18x1.5x45mm

Specifications These are needed when using a HHO System or a test pipe. They are also used to lean out your vehicle for better gas mileage. Material: Steel.  Dimension: Size: M18 x 1.5MM thread Length: 45mm    Fitment: The extender has a 7/8 hex head which is the same size as most O2 sensors and it makes them easer to install not like the straight sided extenders. Fits all standard size sensors with a 1/2 Inch diameter tip. The size of the extenders is M18 X 1.50.   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!    Items Included Two (2) PCS Oxygen sensor Test Pipe Attention: Not for Street use, Off-road use Only!