B8 RS4 undertray

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Micknova
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Posts: 9
Joined: Sun Apr 11, 2021 8:59 pm

B8 RS4 undertray

Post by Micknova » Sun Apr 11, 2021 9:22 pm

Hi All,
Several weeks ago my undertray plastic dropped down. I managed to put it back on but had worn alot.

Then last week after forgetting about it once I hit a good speed it came off again. It was now badly worn and also frustrated me alot. Previous cars I've removed these. Anyhow I've noticed the car a little more unstable since and so thinking I should get a new one put on.

Problem I have is where do I find them, also I've heard someone can perhaps fabricate a metal one. I'd be interested to look at this as I do drive into forests to go watch rallies so thought be a good purchase.

Any ideas of the part I need. Is it called the undertray?

Any help is appreciated

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IchBautAuto
4th Gear
Posts: 618
Joined: Thu Feb 20, 2014 11:23 pm
Location: Australia

Re: B8 RS4 undertray

Post by IchBautAuto » Mon Apr 12, 2021 12:42 am

I'm not a B8 owner but if it is anything like other undertrays it will have specialist cooling ducts that are nesessary and it has an aerodynamic function. The one thing it isn't is a protective undertray. So to my mind there really isn't any substitute to one designed for your specific car.
C5 RS6, Milltek and Wagners: B5 RS4 450 + HP: A4 1.8 GP TQS original: 1963 UNIMOG 404:

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