I'd like to know recommendations for air filters myself. I know the BMC give an extra 2-3hp but cost about $70-80. I don't know how much the stock one costs though. Anyone else know off the top your head?
The irridium plugs are spec'd for the 929 (kinda expensive at ~$7-8 each). I'm not sure what is best for 900RR.
If you want to use K&N you might was well as grab two rolls of toilet paper and paint them red and call it a day. A K&N will not gain you a single thing on the bike, but it will cost you power. BMC or DNA are the way to go.
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