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RE: has any one ever put performance parts in the xs 850?
bluez said 2012-12-10 02:45
The bad news, Not much at all. Sigma puts out a carb tweak kit (find them on ebay), the good news, the carbs is where they choked off performance. Kerker has a 3 into 1 performance exhaust. I drilled a half dozen holes in the end of the pipes, given the cost of the Kerkers it was satisfactory.