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Power Vision Tuner from Fuel Moto (excellent support and maps). I noticed a nice increase in performance with the PV, pipes and air cleaner. Of course, I didn't stop there! It never ends.
Unless you're going to a two into one I don't think a full exhaust would make enough of a difference to justify the cost. A good dyno tune by someone who knows what they're doing would be the most bang for the buck.If you're going to do cams do that first then tuner then tune.After that maybe gearing.
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