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I currently am running Muscle 107 kit from zippers with 58mm throttle body 2 into 1 good exhaust and a Thunder max tuner. I am looking to find the best flowing air filter set up to just get a little more out of it if possible. Would like to hear of some proven set ups maybe with some dyno results9 replies 241 views
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2021 ultra limited with the HD 131 stage 4 and warranty close to running out. Thinking of decatting the header arleady have 4.5" Reinhart slip ons. Changing cam out for the CR512 and using a different tuner. Will have tuned by Jason at C&S speed shop in Allerton Il. Anything else needs to be...2 replies 2K views
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I'm really digging into the 122 stage 3 kit, doing my research before taking the plunge. But here's the thing that's bugging me: the cam it comes with, the 447 torque cam from Harley. It seems like they're purposely holding back on the power with that choice. So, I'm thinking, maybe I should...0 replies 4 views
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Hey everyone, I'm looking for some input on an upgrade dilemma I'm facing with my 2023 114ci Fat Bob. Currently, I'm contemplating whether to go for a Stage 3 or Stage 4 upgrade. My primary concern is maintaining fuel economy, especially during long trips with two riders. Presently, on 400-600...7 replies 183 views