Dr.Audi

someone previously posted that he had installed the S4 exhaust system with catback on his 2.8 30valves. I was wondering what kind of power increase i would get out of it? what do you think about it ? how much can it cost ? and parts number if possible.

any help would be appreciated
thanks

Warren Wang

Are you talking about a stock S4 exhaust or aftermarket? Cuz the stock one probably isn't too bad of a noise increase. If you put an aftermarket S4 exhaust on a 2.8, you'll probably go deaf. The turbos on the S4 decrease the noise by a lot, that's why S4 exhausts can be damn near straight pipes, and it still won't rival (in volume) any naturally aspirated car with a free flowing exhaust.

Call Todd@Vortrag. They put on a UUC S4 exhaust on their 2.8.

Warren

DrHandball

why are many people on this board talking about replacing their stock exhausts with cat back systems?

number7

i got the 3" lltek. backpressure? whats that?

KenHuglr

I'm sure they will sell you one for a great price.

Corey S

Warren was saying that you could put a straight pipe on the car (catback), and it would still be quieter than most aftermarket S4 catback exhaust systems on a N/A 2.8 V6.

The stock S4 exhaust has two large mufflers, very similar to the stock one on a 2.8 30V.

Warren Wang

You get a cookie

Corey S

Yum....