what is the pros of cutting out the cat in my car

5

Asked by Kevin_1902 Apr 05, 2014 at 03:39 AM about the 2002 Audi A4 1.8T quattro AWD

Question type: Car Customization

what are the pro*s in cutting out the cat in my car

2 Answers

102,475

You may gain a couple more horsepower, but if you live in a state that makes you pass a smog test, you will fail. Then you will have to spend big bucks to by another. Unless you keep it and just weld in a straight pipe. Not sure but if you have an O2 sensor on the downstream side of the cat, that may cause your check engine light to come on which is a no pass for a smog test also.

1,315

more cons then pros in my opinion.unless you want to put the stock exhaust each time you need to pass smog.

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