wat have u guys beat with ur quad???................. i have beat an 08 400ex with a yoshi exhaust and rejetted, an 07 400ex with hmf performance pipe rejetted, yamaha dirt bike 125
4-stroke, a honda 100 dirt bike 4-stroke, outlaw 525 with stock pipe with baffle out and rejetted, 300ex with mods,and a couple of other good quads....... my 400ex has white bros exhaust and rest is stock.... let me here wat u guys have beat?