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O2 Oxygen extension universal HYDROGEN spacer HHO gas M18 X 1.5 18mm size thread


  • This is (1) O2 sensor adapter / extender 18mm thread size for sale
    This 50mm CURVED long gas saving extender works by moving the sensor further away from the exhaust flow by installing it with your rear o2 sensor, the sensor and ecu would think it is still the correct flow amount, perfect for owner who is running test pipe hi flow cat or straight pipe.




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Our products are developed and intended for off-road racing.
They may not be legal for use on public highways where pollution control laws apply.
Due to the nature of the use of these products, no warranty is implied or given.


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