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Test pipes=Cel light?

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Old 05-07-2019, 05:20 PM
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Test pipes=Cel light?

So Iím in the market of purchasing some test pipes and Iíve been noticing that there isnít a way to prevent the cel light unless you get a tune?? Also if Iím due for emissions later on do I just swap back to the oem cats for a while and Iím ok?
 
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Old 05-07-2019, 05:55 PM
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non-fouler extensions, you'll need the deepest you can find to accommodate these o2 sensors.
 
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Old 05-07-2019, 07:43 PM
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Build an O2 simulator. Works like a charm!
 
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Old 05-07-2019, 09:26 PM
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If one set of non-foulers doesn't work take a SECOND set and drill the hole out bigger then screw them together. This moves the O2 sensor even further from the exhaust stream.

Some test pipes have a very long extension on them already to keep the O2 sensors back, the Motordyne ART pipes are a good example of this, so are the Fast Intentions resonated test pipes.
 
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Old 05-09-2019, 12:27 AM
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Originally Posted by [email protected] View Post
If one set of non-foulers doesn't work take a SECOND set and drill the hole out bigger then screw them together. This moves the O2 sensor even further from the exhaust stream.

Some test pipes have a very long extension on them already to keep the O2 sensors back, the Motordyne ART pipes are a good example of this, so are the Fast Intentions resonated test pipes.
Two years with Art Pipes and no CEL.
 
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