Econoline E350 1 Ton V8-5.4L CNG VIN M (1999)
6. If the RH TWC is being replaced, remove the RH TWC-to-muffler clamp.
7. NOTE: It may be necessary to heat the RH TWC-to-muffler joint to ease removal.
Separate the RH TWC from the muffler.
Installation
1. Install the RH three-way catalytic converter.
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Position the RH three-way catalytic converter.
2. If removed, install the RH TWC-to-muffler clamp.
3. Install the nuts.