Correct me if I'm wrong, but won't the PRV6, if tuned properly, pass emissions even without a catalytic converter? John Yeoman > Removing or hollowing out the catalytic converter is not legal. If you > happen to live in an emission-controlled area, you will never pass > emissions. If you don't live in an emission-controlled area, it's still > illegal, but no one will really care as long as the result isn't too > loud.