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    What are the pros and cons of having a Catalytic Converter?

    Asked Oct 21, 2011, 12:11 PM 5 Answers
    I've recently had a new high performance muffler system installed on my Honda Civic, and I've noted that a lot of other tuners don't have a catalytic converter. What are the differences and pros & cons of not having one?

    Last edited by CliffARobinson; Oct 21, 2011 at 01:40 PM.
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    ma0641's Avatar
    ma0641 Posts: 15,211, Reputation: 992
    Uber Member

    Oct 21, 2011, 02:41 PM
    Other than being a federal offense to remove a cat converter and operate on the road and cause more CO and hydrocarbons, nothing. I believe is costs $2G + if you are caught.
    Helpful (1)
    masterevil1990's Avatar
    masterevil1990 Posts: 75, Reputation: 1
    Junior Member

    Oct 22, 2011, 11:33 AM
    Whilst I currently live in Kansas where emissions testing is not done I do believe there is no consequence here... but for the sake of not having any money ill leave it with the cat...
    But I have heard that it may add horsepower... is this true ?
    Handyman2007's Avatar
    Handyman2007 Posts: 988, Reputation: 73
    Senior Member

    Oct 22, 2011, 07:55 PM
    It is a Federal Offense to alter, remove or replace an emission system component that does not meet the minimum Federal Emission Standard. If you have a car accident, because you altered the safety equipment of the vehicle(yes, emissions are now considered safety equipment, you could possibly face having your insurance company refusing to pay a claim. The small gains that are realized from removing the cat system is minimal.
    Keep the system as original as possible.
    ma0641's Avatar
    ma0641 Posts: 15,211, Reputation: 992
    Uber Member

    Oct 22, 2011, 08:27 PM
    I said FEDERAL offense, not state. It is of consequence if caught.
    masterevil1990's Avatar
    masterevil1990 Posts: 75, Reputation: 1
    Junior Member

    Oct 23, 2011, 11:49 AM
    Well again... as the limitations of money and the fact that I like the way it sound... ill leave the cat on

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