1992 302, Think front cats are plug

[redvetttes]

o2 sensor is behind cats,
Has anybody hollow cats out ?
will it toss out a code with cats hollow out and 02 sensor installed?
nowt worry about insp.

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[Cydsho86]

o2 sensor is behind cats,
Has anybody hollow cats out ?
will it toss out a code with cats hollow out and 02 sensor installed?
nowt worry about insp.

No, but if u hollow out the cats it could cause hp issues, not sure about the 5.0 but some motors need back pressure to work properly

 

[Cydsho86]

No, but if u hollow out the cats it could cause hp issues, not sure about the 5.0 but some motors need back pressure to work properly

Had a 92 sc with no cats, I used the o2 adapter to pull the sensor out of the stream and back a bit further, never threw a code