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Pair of VQ35DE OEM cats FOR SALE


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I've seen a good few posts of you committing on about people seeing blue smoke with decats fitted. I got told today by a friend that he saw a plume of blue smoke come out of my 04 Z when I put my foot down or coming to a set of traffic lights/Junction and If I rev it up. Sometimes it happens and then it doesn't. 


I have an oil catch can fitted and not seeing any excessive oil inside. Recently did new rocker cover gaskets and spark plug seals too. 


Should I go back to OEM cats or get some HFC's? 


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