Ive never ran a negative swinger on a yfz, but I did however run them on my banshees and loved them. The guys I race against all run negative swingers on their yfzs and seem to get along with them great. Look into JL Engineering for a swinger. Hes a great dude to deal with and some of the best customer service you'll ever come across. He can build you any length you want as well as chrome or powder options. I'm currently running a JL swinger on my R and highly recomend him to anyone looking for an aftermarket swinger!
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