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  1. '14 650 Custom Exhaust Size at Slip On

    Alright, so because my home state (unforfunatley) is CA, all I can seem to do is get ahold of Universal exhausts. So my question is, if you were to pull off the stock mufflers, what size would the pipe the stock muffler attaches be. I do not have a tape measure and I couldn't find a conclusive...