Note that some states enforce the fed regs which says if shipped with cat
must have a cat. (all passenger vehicles sold in the US and Canada after a
certain year in the 70s) If in an air state you most likely will not pass
test emissions or visual.
jimt

On 7/18/05 3:05 PM, "John Bange" <jbange@GMAIL.COM> wrote:

> Performance, same or maybe slightly better. Mileage, probably no
> significant change. For emissions, your NOx and carbon monoxide output
> will go way up. Generally you won't see any significant improvement in
> power when removing the cat unless you also do something that NEEDS
> the extra flow, like porting or bigger valves.
>
> On 7/18/05, Christopher Gronski <gronski@gmail.com> wrote:
>> This is an poitically incorrect question but I am going to ask it
>> anyway. What happens if you run your vehicle without a catalytic
>> converter installed? Assuming you had a bypass tube installed would
>> you just install your exhaust sensor there? What would the effect on
>> performance and mileage be? How much would your emissions go up?
>>
>> Thanks,
>> Chris
>>
>
>