Does the performance of your Honda Civic 1999 - 2000 seem to be getting worse? Has the zip gone when you press the gas pedal? One cause could be your catalytic converter. They do not last forever, and when your catalytic converter finally goes out, your performance goes with it. A smart way to solve the problem is by installing a new Catco Catalytic Converter. There is enough pollution in the air already. Catalytic converters are designed to constantly convert hydrocarbons, carbon monoxide and nitrogen oxides into harmless compounds that are safe to breathe. When a catalytic converter stops working properly, your performance and gas mileage go down while the pollution your car creates goes up. Get back the power and performance you have been losing. A new Honda Civic Catalytic Converter is a great way to do that. One more thing you must keep in mind when replacing your catalytic converter. Oxygen sensors work hand-in-hand with them. Check your oxygen sensor. It may be time to replace it when you install your new catalytic converter. So get more power. Get back the performance that you have lost. Improve your gas mileage and say good-bye to the smell of sulfur in your garage Our customers want an outstanding level of customer assistance when purchasing reliable car parts. That's why we created an always-online technical help hotline to help you with your needs. If you find a better price, call us - we will meet or beat any legitimate auto part price.