Uppipe question about emissions...
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Uppipe question about emissions...
How much does adding an aftermarket uppipe affect emissions? I live in Colorado where we have to pass a test every few years (not sure of the values that we are constrained to). Has anyone passed an emissions test with one installed? Every other exhaust component on my car is stock, so I would just be losing that one cat in the uppipe.
Thanks,
Andy
Thanks,
Andy
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