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1 x Brand New O2 Sensor Spacer 


60 DAYS MONEY BACK ,Standart Fitting M18 x 1.5mm,Fast Shipping


Do you have a 1996 to present vehicle and installed a Hi-flow cat, header or test pipe? 




You'll most likely get a check engine light code P0420 or P0430 due to added exhaust flow which puts your car into limp mode; your car will be running slower and wastes more fuel!! 




Our O2 sensor spacer is a perfect solution for you!! 




It will gap out your down stream o2 sensor away from the added exhaust flow / heat.t 




Simply a 10 min job, just screw it onto your existing rear O2 sensor bung. 




You can install / remove any time you want, no wire cutting or drilling hassle Guaranteed will fix your problem, if not, I'll take the return for refund. 




Vehicle with V6 V8 Engine and Dual Exhaust will need Two (2) O2 spacers 




For HHO 


Or you can use the extender to simulate your ECU if you have HHO kit fitted on your vehicle. 


 Allow your o2 sensor and ECU to get a correct reading have you fitted a HHO fuel cell and the ECU is telling the injectors to put in more fuel due to the extra Oxygen so not getting any gains in fuel economy could be: 


 (10-20% ECONOMY for Petrol engines) 


and (20-35% for a diesel) 


It simply a 10 min job, just screw it onto your existing rear O2 sensor bung. 


You can install / remove any time you want, no wire cutting or drilling hassle Guaranteed will fix your problem, if not, I'll take the return for refund. Vehicle with V6 V8 Engine and Dual Exhaust will need Two (2) O2 spacers 




Check out my other items! 




up to 60 days Returns and Refund is accepted.




for more HHO items visit 




www.hydroxsystems.co.uk