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K & N Air filter will help out. Dual exhaust straight off the heads (just don't straight...

put a freeflow exhaust with silencer, rejet your carb, K & N filter , change your sprocket sizes, get a higher rev limiter. get better tires

... yellow. It has a whitebrothers full system exhaust, K & N airfilter, Tag handlebars, DG front bumber, shock covers...

14hp stock. Piped, jetted, bored to 270, k & n air filter looking at 28 HP. A yamaha blaster has more HP stock(16) but the 250 ex has more torque. Making them about equal.

i would first get an aftermarket exhaust pipe then something like a K @ n air filter you can find out more by asking a place that sells that type of quad and theyll probably recommend some kind of gears or something. Hope i helped!

... filters any other manufactures filter might not be right unless its a K & N . Make sure you put th enew filter in the same way the old one came out if not you can destroy your engine...

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Different gearing can be a lot of fun. You can also get a K & N air filter .