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1991 Buick Regal Question: can u cut out the catalytic converter. weld in a peace of pipe. still run right.



mikeyb4, 3.8L V6, Mattoon, IL, March 31, 2012, 20:46

i know we aren't suppose to do it.i have done it on older models. know u can't on newer cars.this guy is realy short on money. and other things are wrong with it.

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  • Answer #1

    April 03, 2012, 17:55

    Other than being louder,possible check engine light will come on if oxygen sensor is removed.

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