I picked up a used Arrow slip-on exhaust for the 959 that is in excellent condition and finally got around to installing it. I also had my local dealer install a Rapidbike EVO fuel controller and Sprint air fliter. I removed the exhaust valve servo/cable as well. Initial impressions are a noticable improvement in acceleration and a very pleasing exhaust sound (I removed the baffles). I have not had the opportunity to ring it out yet but I will report back after I put a few hundred miles on the new system. I also installed the Euro lower fairings which, in my opinion, go very well with this exhaust. They hide the ugly exhaust canisters but show off the carbon fiber end caps. I will probably take her to the dyno after the Rapidbike EVO has had at least a few hundred miles to adapt.
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