I have a honda 250 ex2004 i am going t get a new slip on exaust will i have to rejet? If not what is needed?

I have a honda 250 ex2004 i am going t get a new slip on exaust will i have to rejet? If not what is needed?

Read more: I have a honda 250 ex2004 i am going t get a new slip on exaust will i have to rejet? If not what is needed?