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

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