very loud and bogging :/

[MrPister]

ok guys so heres where I'm at, i can start my pit bike and it will run but its all of a sudden really loud (as in exhaust sound) and it has no power and bogs down heaps :/ any help would be much appreciated

 

[Cordogs]

Have you checked all parts of your exhaust?

#Header pipe gasket.
#muffler - pipe connection
#muffler? ie: Hasn't blown it's baffles out?


Also how's the idle?