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Is there a unit that's compatible for the GM part? I priced both parts at dealer left and right side for my vehicle and they cost almost $500 a piece.
GM had/has recall for their Cat Converters, did you look in that? I have sent a lot of cars to the dealer for free CATs, they fail often on late model GM. I do Emissions work in CA.
Q&A > Cadillac > 2004 Cadillac SRX
Q&A > Cadillac > 2005 Cadillac SRX