muffler is totally gutted a can with a tip _________________ 150cc SUNL, TJ 150 engine, a12 cam, teflon coated variator 10 gram rollers, gutted carter exhaust, uni with sink pipe, 132 jet, prodigy clutch and bell,1500 clutch spring, 530 chain, perfromance cdi, high output coil, 2000 lb winch, home made lit whip.
ithink that's it dude, the thing is that you need back pressure for torque at all in that small of a motor its not like a v-8 and even then sometimes straightpiping gains top but totally makes it a dog.
i suggest finding a stock or performance exhaust. _________________ raptor 250 black...stock..not for long lol
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