I have a 1986 honda cbr250r hurricane with a 1988 cbr 250r motor. I didnt knwo where else to post this beacuse the is no section for my bike. Anyways i want to rip all or most of my baffiling out. Could this harm the engine at all??

 

You may very likely need to rejet the carb. You may also lose performance. Exhaust systems are designed to allow the engine to run under a certain amount of back preasure. On thing you may gain is only noise.