Front Muffler

Disconnect the battery negative terminal.
Remove the engine cover.
(Refer to " Removal And Installation ")
Disconnect the front oxygen sensor connector (A).

Courtesy of KIA MOTORS AMERICA, INC.
Remove the front muffler heat protector (A).
Tightening torque:

9.8 - 11.8 N.m (1.0 -1.2 kgf.m, 7.2 - 8.7 lb.ft)

Courtesy of KIA MOTORS AMERICA, INC.
Remove the muffler hanger mounting nut, and the hanger (A) with the bracket.
Tightening torque:

29.4 - 39.2 N.m (3.0 - 4.0 kgf.m, 21.7 - 28.9 lb.ft)
Remove the front muffler (B).
Tightening torque:

39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb.ft)

Courtesy of KIA MOTORS AMERICA, INC.
Install in the reverse order of removal.
NOTE: When installing, replace with new gaskets.