yeah bro once u remove the air filter the carb bikes (dont know abour fi) make more noise so it happens the same with the k&N filter cause its almost freeflow so its like u dont have airfilter135lcSS said:i've heard people saying that if u put a k&n air filter in T135 ..it will make a new sound from ur bike and its weird from the original sound from the exhaust...is it true
