4.0 TFSI - S6/S7 vs S8 - Dyno Comparison

A6 All/ S6 All
#21

AWE has 2.5 and milltek has 3.0 inch diameter exhaust. AWE claims a bunch of dyno gains.

Interesting to see what is optimal.

#22

Any difference? :slight_smile:

#23

Yes.

Tested modified and back to stock again. S8’s up next.

#24

EUROCODE SAID NO POSSIBLE FOR TURBO CAR MAKE GAIN FROM EXHAUST

#25

You guys ever played around with exhaust valves? If you make a valved version with full manual control, I will kiss you (and buy one).

The new RS cars have sport option mufflers with exhaust flaps/valves, the S models are left out. Would be cool to be able to basically replicate the audi exhaust sport option thru a reputable aftermarket company. Milltek offers straight replacement systems for RS cars (vacuum actuated flaps), but nobody is offering a RS style sport exhaust system for ‘S’ cars.

Wireless control would be ideal so no electrical wiring/installation costs.

Start at 1:20
http://www.youtube.com/watch?v=3WcgKhgBZ68

From another video:

http://farm4.staticflickr.com/3753/10466062453_bb82306861_o.png

#26

Watch “Audi RS4 (B7) 4.2 V8 Stock Exhaust Sound Compilation and 0-60 mph in 4.39 seconds” on YouTube - https://www.youtube.com/watch?v=BoV0lB3g3kE&feature=youtube_gdata_player

Mine are squeaky so you can hear them open.

#27

Here’s mine going wot in both modes.

Watch “2008 Audi RS4 B7 Stock exhaust (regular vs. sport mode) with GoPro Hero” on YouTube - https://www.youtube.com/watch?v=iVMJs8c1e6w&feature=youtube_gdata_player

#28

I guess I should have just bought an RS7. :frowning:

But seriously, why are exhaust companies ignoring the valved option for the S cars that come with muted exhausts? What am I missing?

#29

I thought Milltek was working on valved exhausts. At least for the S4.

#30

Supposedly, they have been working on one for three years.

There is no reason it should take this long.

#31

We haven’t. Our RSC exhausts eliminate drone so we haven’t found a need for them.

#32

Not talking about drone, talking about noise levels. :slight_smile:

It is nice to turn the volume down on date nights or cruising into your neighborhood.

#33

Point taken. : )

#34

Arin,

What psi are the turbos running stock, and what are the new values per stage 1?

It would be interesting to understand some of the non-proprietary changes that accompany your new map.

grathias

#35

Wrong thread, sorry…

#36

I’ll have to grab the data from engineering. Let me see what I can dig up next week.