Yamaha R6 Forum: YZF-R6 Forums banner
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  1. Exhaust and fuel delivery
    I have an 09 R6 with a stock exhaust and a GYTR slip on. I’m looking for a better sound (more noise) without being too loud. Should I do a muffler delete like an M4? Would that M4 hook right up to my slip on? How loud would I be after that? Too loud? Thank you
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