im sellin my P.O.S. blaster and buyin a 1999 400ex, and i am gettin the WB pro-meg exhaust for it. and wut i want to kno is, r they a good system. i herd that they fall apart from people and i have also herd that they r a great system. and i just want to kno the truth. and also i am buyin the turn down end cap assemble for it also. so i want to kno how good it will do