>
> I just got out of my 1991 405 DL's engine compartment where I tested the
> hypothesis that the low performance of my XU9J2 is due to a bad
> catalytic converter. To accomplish this I loosened the two bolts holding
> together the exhaust manifold and the front pipe.
>
> Sure enough, the engine is more powerful now that gases have an easy way
> out.
>
> Do you agree that it's the cat converter at fault? As far as I know this
> 'piece' is located in the centre silencer. How does one get it out of
> there? Does this silencer come off easily, is it a bear to put back on?
> Will the engine work properly without a catalytic converter?
>
> Thanks for any thoughts you might have,
>
The cat is integral with the headpipe. It is very illegal to remove it, or
to buy or sell a used one. But it can be rebuilt, legally. I don't know
what that costs, but I would guess around $300.
Brian Holm, Peugeotholm