LH Front Muffler

Disconnect the battery (-) terminal from the trunk room.
Disconnect the LH rear oxygen sensor connector (A).

Courtesy of HYUNDAI MOTOR AMERICA
Remove the transmission stay bracket (A) and LH 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 HYUNDAI MOTOR AMERICA
To install, reverse the removal procedure.