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Old 02-26-2014, 11:38 PM   #5
notech
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Join Date: Aug 2013
Location: Gibraltar
Posts: 91
Garage
Ok, that makes sense! so I am running with no cats then (the exhaust doesn't sound so loud as no cats at all, to me, still similar to stock at low rpm, then high ad 4K rpm of course).
I will try to put 2x O2 sensors on cat bypass and 2x O2 sensors out somewhere to pick clean air, that should fool ECU and remove CEL I believe.
Cheers,
Ser
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