Test pipe on a a4 3.0 quattro??? cats?
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Test pipe on a a4 3.0 quattro??? cats?
My cats are shot, i found this https://www.audiforums.com/m_396433/tm.htmshould i go with a test pipe or high flow cats?, and would these even fit on a 3.0 sinceithasduo exhaust? i got this CEL P0431 i need new two rear O2 sensors and cats. Has anyone with done this on a 3.0 ?
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IOKEPA
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01-17-2008 12:25 AM