Thanks, that's interesting... I think I would like the ability to vary
the volume... quieter for rides with the wife or kids, more
performance for those "solo" excursions!
John Donohoe
'70 GT6+ KC81718
(...a ball joint separator? No, but we got a pickle fork...!)
---"Janssen, Lee K" <lee.k.janssen@lmco.com> wrote:
>
>
> john donohoe wrote:
>
> > Can anyone tell me how a Supertrapp muffler compares to a Monza
system
> > loudness-wise (on a GT6)?
>
> Vizard conducted some tests on Supertrapp and concluded "... the
Supertrapp
> race car muffler cannot boast such flow figures until so many discs
are in
> the system that the noise reduction achieved is very minimal".
> The reference is "Tuning BL's A-Series Engine" 2nd ed. 1989 page 251
- 253.
>
> Hope this helps
> Lee Janssen
> Sunny Denver CO
>
>
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