I'm pretty sure it was the two little chrome tailpipes fitted to the stock
muffler.  I smile every time I hear it...quite infrequently these days :(

On Fri, Mar 13, 2009 at 3:14 PM, Matt Drew <t3vanagon@gmail.com> wrote:

> You know, that is a GREAT question!
> I first heard it in mom's '74 Super Beetle and have always just accepted
> that "it's a VW thing", and never put much more thought into it than that.
>
> You can always tell a VW (ok, OLDER VW) by its sound before anything else.
>
>
>
> Something I've always wondered about...what creates that signature VW
> > "chirp" coming from the engine?
> >
>

--
Casey
'87 300TD
'94 100CSQ Avant
'89 Bluestar