These headers (revworks uel) came with one O2 spacer and a new gasket. There are two cats in the stock header, if I just put one spacer in will I get a cel with no tune. Don't want to tune until I get my full exhaust mounted. Vehicle: 2013 Subaru BRZ Limited 2.0L. Also was I made aware that some stock turbo kits from Subaru,scion,Toyota, Lexus or similar vehicles will mount to my car with some modifications. If anyone has anything like that available let me know. Thanks any advice will help I don't want to buy another spacer if I don't need to
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