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Re: draggy brakes, out, out darned cat!
Mike Arman assumes:
> As I understand it, US cars are required to meet federal emissions
> standards for five years/50,000 miles, whichever is first. After that, Uncle
> Sam doesn't care
No. The manufacture is required to warranty emissions equipment for five
years/50,000 miles. It's up to you after that.
> It should therefore be legal to remove the offending cat
No, it is not. Test pipes are for "off road use only". It is
also illegal to sell a used cat.
States that have strict emissions requirements may have cost cut offs
($300 in Mass.?) for exemptions for older cars. That is, if the car
is more than x years old and emission repairs cost more than y, then
the state will issue an exemption.