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slip-ons

  1. News Drafts
    Quick question. I have a 2019 Fat Bob 114. I just changed the stock mufflers to Vance and Hines HO slip-ons. I have not changed anything else. Will I now need to re-tune the bike? Will riding with just changing the mufflers to V&H damage the engine without re-tuning it? The dealer has me nervous...
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