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There are a good number of systems listed for the R9 now: full systems and slip-ons from AkrapoviÄ, Termignoni, SC-Project, Spark and others. Almost every power figure published for them is the maker's own claim, measured on the maker's own dyno. What did you fit, and why: sound, weight, looks, or numbers you measured yourself? If you have had yours on a dyno, post the chart. Independent before-and-after runs are what this question is missing.
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