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Discussion Starter · #1 ·
anybody know what the best or cheapest way to trick my oxygen sensors into thinking I still have cats is?
seen some stuff about using spark plug non fouler fittings to move the sensor further away from the actual exhaust but idk how reliable a solution that is.
 

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anybody know what the best or cheapest way to trick my oxygen sensors into thinking I still have cats is?
seen some stuff about using spark plug non fouler fittings to move the sensor further away from the actual exhaust but idk how reliable a solution that is.

I’m sure you already know this, but only use on rear O2 sensor (post catalyst).



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I used one of these with the mid sized orifice when mine wasn't happy with the Techtonics Tuning highflow cat.


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Recent changes in federal law, makes it a big crime to mess with emission stuff..is it really worth it?
 
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