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D3 - Fuel and Exhausts Everything to do with getting fuel into the engine, and fumes back out again |
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Thread Tools | Display Modes |
#1
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S8 Exhaust Flaps
As you all probably know by now, my car is fitted with a Milltek exhaust that I think is too loud for me.
I've managed to source a standard exhaust and I'm picking it up later this week (yes, that means the Milltek will be up for sale shortly). The Milltek doesn't have flaps in the exhaust like the standard exhaust does, so I'm wondering where the electrical connectors to the exhaust flaps connect from? I'm going to have to fish out the connectors from their source to reconnect to the OEM exhaust and I have no idea where to look! If anyone has had an aftermarket exhaust fitted, what did you do with the electrical connectors? |
#2
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Are they electrical or vacuum? I'll check outside later on but on my B6 S4 they were 100% vacuum operated and it was all to do with the air pressure moving the flaps?!?
I'm very interested in the Milltek by the way... |
#3
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They are vacuum operated, no elec connections to worry about.
I have wired my open. Sounds just right in my opinion.
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'09 D3 S8 - Most of the bells and whistles (B&O, Audi Exclusive brown interior and exterior paint, soft close, ACC etc) de-flapped manifold! |
#4
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Perfect, thanks for the quick response guys. I thought I saw a forum post with electrical connectors on the exhaust, but I must have been mistaken.
Don't worry, the Milltek will be up for sale as soon as the OEM is fitted. |
#5
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OK, another silly question - do the vacuum pipes connect anywhere, or are they just the valves mounted to the tailpipes?
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#6
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They go to the engine compartment and connect to the rest of vacuum system through electric solenoid valve.
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Currently 8less 2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D 8 history: 2006 A8 Sport 4.2TDI quattro SOLD, 1997 S8, reached end of life with gearbox failure |
#7
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Have a read of this...
http://www.audiworld.com/forums/a8-s...ation-2854958/
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Currently '8-less Previously: - Aqua Blue Pearl D3 S8 - Kamut Beige leather, ACC, B&O, factory RSE, solar sunroof, electric blinds, ski bag, Homelink, comfort headrests. - Aqua Blue D2 S8 - Grey leather/Alcantara - D3 A8 3.0 CVT - D3 3.7 V8 |
#8
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Thanks for the info guys, that's really helpful
Funnily enough, that's the thread where I saw the electrical connectors! I'll have to check to see what they did with my vacuum tubes. I'm hoping they're still sitting around the tailpipe area, ready to be refit. Hopefully, they didn't cut them off or remove them. Fingers crossed! |
#9
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I jammed open the exhaust valves on the stock exhaust, using fencing wire.
Gives a great rumble from 1000 to 4000 revs, instead of being silent. After 4000 just sounds amazing anyway!! No fault codes either!
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2007 Audi S8 V10 Options Soft close doors, 20" 7-twin spoke wheels,Garage door opener (Home link), Load through facility, Electric rear and side sunblind, Seat heaters for outer rear passengers, Electric boot close, Advanced Parking System with rear view camera, Four-zone climate control Retro Fits AMI & updated the 2G Software & NAV Maps Boot Umbrella Holder |
#10
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If I ever miss the Milltek, I'll probably do something similar!
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