99 c5, take out cat converter or hollow it out.... helpful or harmful?????

Asked by Oct 24, 2014 at 06:21 AM about the 1999 Chevrolet Corvette Coupe

Question type: Car Customization

4 Answers

34,165

Your dashboard CEL lights will light up like a Christmas tree.

Best Answer
34,165

Oh, and you will pass inspection.

cel?????? passing inspection not the issue..... less constricter air flow for a bit more horse power... or ......fuck up the factory back pressure that many engineers spent alot of time perfecting.

14,255

There are a lot of after market cats on the market that offer low restriction, keeps you car computers happy, smog check people happy, and the engine runs a bit better and gas mileage goes up unless you now have more power and so stomp on it more.

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