Thank you, all.  I have found one and it is on the way.

2010/2/12 Chris S <szpejankowski@gmail.com>

> Like subject says I'd like to find a decent, hollow 2.1l WBX cat, or more
> accurately a cat shell.
>
> --
> Chris S.
> Disclaimer: "Death and serious injury may occur"
>
>
>

--
Chris S.
Disclaimer: "Death and serious injury may occur"