1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 54Get this manual
FRAMEBODY PANElSjEXHAUST SYSTEM Install the ew muffler gasket and flan ge bo ts
loosely
fIIIGASKET
Insta ll the two bo ltswashe rs lo osely
Tighte the ,e xhaust pipe flange nuts securely