O2 Oxygen HHO Extension HYDROGEN Extender 18mm M18 X 1.5 Testpipe Thread Spacer

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This is  (1) O2 sensor adapter / extender 18mm thread size for sale<br>This 35mm long gas saving extender works by moving the sensor further away from the exhaust flow by installing it with your front o2 sensor, the sensor and ecu would lean out the A/F(air fuel) ratio enough to save 5%~7% on your gas bill.<br>Easy 10~15 mins installing job, comes with instruction and tech support<br>These also might help<br>to get a correct reading to prevent trouble code by<br>gaping out<br>the oxygen sensor away from your catalytic converter,<br>header, or test pipe to reduce<br>exhaust flow<br>but If you want a for sure fix, I also have the correct longer / angled version, please contact me and I'll list those for your need<br>Vehicle with V6 V8 V10 Engine and Dual Exhaust will need Two (2) units<br>This is a clearance sale due to minor defects, price is cheapest best deal any where!!<br>I ONLY ACCEPT PAYPAL and I do not ship outside of U.S.A<br>Disclaimer: This item is used for Modified Racing Exhaust tuning, testing diagnostics and off road racing only, not for street use.<br>