The post below is from 2013 in an Audi forum.
Post #30
undercarriage Plastic Shields under driver seat, NOT belly pan
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Below is the best picture I could find of the RS4 under body for comparison.
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Letting some air in under the car with such an extensive belly pan I'm guessing is alright. Then again, I'm not the one doing the wind tunnel testing.
Audi Climatic Wind Tunnel Detailed
https://www.autoevolution.com/news/a...led-35658.html
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Located at Audi's huge facility complex in Ingolstadt, the Wind Tunnel Center has been at the center of car development for the four-ring branded cars for years (or, to be more precise, since 2008). What makes this wind tunnel a little more special than the other ones used by the majority of the car makers is the fact that it can simulate any kind of weather you can think of.
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__________________
George
Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft
You cannot sell aerodynamics in a can............
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