is it neccesary to replace the catalytic converter or can we cut it off and the car still function properly?
Mar 22, 2013 at 3:20 PM
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HMAC300
CERTIFIED EXPERT
48,601 POSTS
if the ocnverter is bad replace it otherwise you will get codes and could have a loss of gas mileage as well as you won't pass an emmission test if that is done in your state, Besides it highly illegal