[V8] Audi V8 Exhaust

[William Gutierrez]

Daniel, to you sense greater power with this set up?

Bill Gutierrez
1990 V8 5spd


>From: Daniel O'Dell <daniel_o_dell at yahoo.com>
>To: Anthony.Hoffman at tinker.af.mil
>CC: v8 at audifans.com
>Subject: [V8] Audi V8 Exhaust
>Date: Tue, 17 Feb 2004 09:50:57 -0800 (PST)
>
>Anthony,
>
>My 91 has been through a couple of different exhaust scenarios, trying
>to find the most pleasing.  I originally had straight pipes made for my
>resonator, (I nearly cleaned one off the car in a off-highway
>excursion)that cost about $50. What I noticed, and that I can confirm
>from other cars that have had it done is that it is ALOT noisier this
>way, and not all of it good. There was much more V8 presence, and
>rumble at idle, but under load, especially uphill, during the 1st-2nd
>shift, there was a raspiness, that would resonate, and just wasn't very
>pleasant sometimes, also during long engine compression braking
>situations (my car is a manual) you could hear the exhaust popping as
>it loaded up. Not too much different than the "Harley Farts" my road
>king does in the same situation. After several months of playing with
>different ideas, a fellow harley rider, who happens to work at an
>exhaust shop offered some help.  He used flowmaster's charts (or
>something) to calculate engine volume & pipe length, etc..  He came up
>with a flowmaster dual inlet muffler, feeding to a 3" round tip (not
>too big mind you but not stock looking either) the tip projects about
>2" past the bumper valance and since then, I've been much happier (and
>about $250 poorer). First impression is that it seems much quieter,
>than the stock muffler/no resonator approach, but then it dawns on you
>that it is MUCH bassier, not booming, just deep, throbbing bass.  When
>you accelerate, there is no more resonating or high pitch noise in the
>car, and it sounds just glorious.. Possibly a little too loud for the
>stealth obbsessed on the list, but then again, MY car isn't about
>stealth, the S4 is.  Anyway, if you want more info, let me know, I
>actually shot a quick video of the car starting-idling-revving, and was
>going to post the link in response to someone else's earlier questions,
>but neglected to do so. if you want it, or any other info, please feel
>free to contact me
>
>-Dan
>Audi V8,A6,S4 (glutten for punishment)
>
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