Removal & Installation

1. Front Floor Undercover - Remove - Refer to: Middle Floor Undercover Removal and Installation Rear Floor Undercover Removal and Installation Front Floor Undercover Removal and Installation
2. Secondary HO2S - Remove
3. Under-Floor TWC - Remove

Fig 1: Under-Floor TWC With Torque Specifications
Courtesy of HONDA, U.S.A., INC.
4. All Removed Parts - Install the parts in the reverse order of removal with new gaskets and new self-locking nuts.