[BiturboS4] RE: Hesitation....and now...Catbacks

[jy]

Both.....

I did ??? your assertion about the insignificance of a cat-back. But, your
follow-up indicated that one should not expect major HP gains from a
catback - to which I agree.

Everything I have read on the Porsche boards have indicated that one should
expect single HP gains from a catback. Catbacks, in conjunction with chips
and less restictive intake airflow (K&N filter, etc.)should yield the most
HP gains for most cars.

The next step up for the Porsche guys is a stand-alone engine management,
free flowing exhaust system , and/or boring out the cylinders to obtain even
more HP. Most street cars stick with the chips, less restrictive air flow,
and catbacks (or a free flowing exhaust systems).

jy
y2k S4
86 951
----- Original Message -----
From: "Edwards, Dave" <Dave_Edwards at iOra.com>
To: "'jy'" <jysap at cs.com>; <biturbos4 at audifans.com>
Sent: Monday, October 28, 2002 5:33 AM
Subject: RE: [BiturboS4] RE: Hesitation....and now...Catbacks


> jy,
>
> You've got me confused. I thought that your original response was
> questioning my assertion, but now you're agreeing...
>
> Dave
> -----Original Message-----
> From: jy [mailto:jysap at cs.com]
> Sent: 26 October 2002 03:38
> To: Edwards, Dave; biturbos4 at audifans.com
> Subject: Re: [BiturboS4] RE: Hesitation....and now...Catbacks
>
>
> Dave,
>
> I agree - even the catbacks on the Porsches do not produce more than
single
> or low dbl digit hp nbrs. Anyone expecting 30 hp/30 lbs of torque gains
has
> been breathing to many S4 exhaust fumes. The real HP/Torque gains in any
> turbo car are achieved thru the replacement of the stock chip.
>
> jy
>
> Y2K S4
> 86 951
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