[s-cars] About exhausts

[R. Mair]

Awesome Chad, thanks for the info! Dunno which way i'll go just yet. I put
allot of miles on the S4 in the winter and the salt build-up is tremendous.
SS would be the way to go, but price... sheeesh. I'll let you know what i
decide, thanks!

Rolf

----- Original Message ----- 
From: "chad clark" <chadaclark4 at msn.com>
To: "R. Mair" <waves at comcast.net>; <s-car-list at audifans.com>
Sent: Sunday, February 29, 2004 1:02 PM
Subject: Re: [s-cars] About exhausts


> Rolf, since I have been down the exhaust 'ghetto mod' road before, I'll
post
> my findings. This was all performed on a stock exhaust system. First I
> deleted the cats with 'euro pipes'. Boost seemed to come on a bit sooner,
> maybe 200rpm sooner with really no perceptible sound difference(not
louder)
>
> Next I deleted just the center resonator(the box just aft the cats) This
> gave the car a bit of a deeper tone only on boost, definitely not
intrusive
> to passenger and driver alike, and again no real difference in decibel
level
> from stock at idle. Boost response didn't seem to get any better with this
> mod. But, after listening to the car from video taken at Steamboat in '01,
I
> realized that the car sounded anemic, not the throaty 5 banger sound I was
> looking for. Sounded like an Audi truck motor=not cool:-(
>
> The last phase and my current setup, I have gone to a 2 1/4" dual
pipe-cat-
> bypass(just a bit larger than stock pipe diameter) to a Y junction, 3" cat
> back system with one magnaflow rear muffler. Car sounds exactly the way I
> want it to, nice deep tone, definitely a bit louder at idle, feels like I
> may have picked up another 100-200 rpm reduction in boost response. System
> will resonate only between 2500-2600rpm, nothing too loud as it still
passes
> the wife test:-)
>
> Now before I receive the expected response from listers asking why I
haven't
> just slipped down the Stromung slope for all the effort and $$$ spent on
> this mod, it's because I have had friends with excellent welding
experience
> help with all three stages of these mods, costing less than half of the
> Stromung system. Do I or would I like a full SS 3" Stromung system? Hell
> yes. I've driven so many of the Stromung equipped Ur-S cars and love the
> sound. It's a bit deeper and even more refined sound than my current setup
> and I realize that my stock downpipe may also be a limiting factor, not to
> mention many other benefits of the full stromung system, ie SS, fit and
> finish. But for now, it gives me the sound I was looking for, price was
> definitely right, and seems to have given me a lower boost threshold
which,
> in Colorado, you need all the help you can get.
>
> So, IMHO, have your local exhaust shop build you a 3" cat back system for
> less than half the price of the Stromung. Otherwise, just slip your way to
> the full 3" SS Stromung.  HTH,
>
> Chad
>
>
>
> on 2/27/04 7:11 PM, R. Mair at waves at comcast.net wrote:
>
> > My 94 S4 has the stock exhaust system and i've been eyeing it up for a
> > change. I don't intend to go nuts on this car, id like to leave it with
just
> > a chip and filter. Has anyone simply deleted the stock center muffler on
> > this car and what was the result? For $35 i can have  the local muffler
shop
> > remove it and install a pipe. Just wondering if it gets too noisy. I'm
sure
> > the turbo would appreciate the less restriction too. Your thoughts??
> >
> > Rolf
> >
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>