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finbro ecu stock o2
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  1. Grom Performance
    So I ordered the finbro ecu from hard racing for my 18 grom that has an hindle exhaust and soon to install chimera intake and tb cam. My question is if i want to run an aftermarket wideband o2 gauge and sensor how would I go about doing that? Brand ? preference? Can I piggyback the o2 sensor...
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