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#1
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mazdaspeed protege exhaust
i just want to know if anybody has changed out thier 2 cat systems in their exhaust...see i want to change out my exhaust to open it up al lil bit....i went to my muffler shop, he says that he can free up the restriction and relocate the o2 sensor....but i want to know if the engine light turns on....if any body has done this yet to thier msp, let me know......
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#2
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Re: mazdaspeed protege exhaust
Yes, there are several msp's running around catless these days. You can purchase a "MIL eliminator" that will get rid of the CEL from running catless, or just use 1 hi-flow cat like me. The MIL eliminator is cheap and you just splice it into the signal wire from the sensor. It's a small resistor looking thing.
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