i find with my s6 i get so much exhaust moisture on my hatch...
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AudiWorld Member
Joined: Mar 2006
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i find with my s6 i get so much exhaust moisture on my hatch...
that it gets dirty alot faster than the rest of my car. Would a different spoiler create more draft to keep that exhaust off? ive heard of guys putting allroad spoilers on but not sure of the reasons. i know that the b5 rs4 avant from europe had a longer spoiler then the s4 avant from north america. would the c5 rs6 avant from europe have a better spoiler?
any ideas are greatly appreciated.
any ideas are greatly appreciated.
AudiWorld Senior Member
Joined: Mar 2000
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The rear hatch attracting dirt is just a function of the aerodynamics associated with the "wagon" shape as opposed to a sedan. Every wagon or wagon shaped SUV that I have had experience with has had similar issues. The relatively vertical rear shape cause a low pressure are behind the vehicle the dirt and moisture (in the rain) are sucked into, hence the typical rear wiper on wagons. It can be mitigated somewhat with an upper deflector, as seen onsome vehicles, but those are often as much cosmetic as functional.
Audiworld Junior Member
Joined: Jan 2007
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Yep, them Avants are messy
I got a 4runner that has a little deflector shield and it stays cleaner than the S6. The only way to mitigate it is to change airflow, they used to sell gizmos that mount on the last pillar (C??) and wrap around, looked goofy but did the trick. I look at it as a carwash indicator, when things appear blurry in the rear view mirror it's time to give the ol steed a bath.
AudiWorld Super User
Joined: May 2004
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The C5 RS6 does have a longer spoiler. There's one on my car. I can't say that it does or does not help with exhaust moisture accumulation though. I haven't really noticed that to be a problem. The climate in CO is much more arid.
Part number and a decent picture of it along side the our A6 here:
https://www.audiworld.com/forums/sho...php?p=15414310
Part number and a decent picture of it along side the our A6 here:
https://www.audiworld.com/forums/sho...php?p=15414310
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AudiWorld Member
Joined: Dec 2007
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From: Anacortes, WA
S6 rear dirt
Here's an idea from a high quality, Seattle area detailing shop. This won't solve the basic air flow design issue, but you'll find it easier to live with.
I've been using a product called Rejex on the rear painted areas. It makes it more difficult for anything to stick onto the paint. What does stick, comes off easier.
I've been using a product called Rejex on the rear painted areas. It makes it more difficult for anything to stick onto the paint. What does stick, comes off easier.
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Audiworld Junior Member
Joined: May 2004
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I have both upper and mid spoiler on the rear from lltek.
https://forums.audiworld.com/picture...ctureid=161347
https://forums.audiworld.com/picture...ctureid=161347