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👻 What are these little flaps under all C63 Coupes? PICTURE

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Old 05-25-2020, 08:42 AM
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C63 S Coupe
Question 👻 What are these little flaps under all C63 Coupes? PICTURE

Anyone know what these plastic hanging things are for?? Always wondered........



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George Lisciandro
Old 05-25-2020, 09:39 AM
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If I had to guess, I would say it functions just like any flap that guards against rocks from jumping up and damaging things. There is I believe a heat exchanger that is downward facing around that area and has holes in the under tray which rocks can potentially jump up and hit it...That's my assumption anyways.
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Old 05-25-2020, 10:42 AM
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2018 C63S
flux capacitor air generator deflectors
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Old 05-25-2020, 12:00 PM
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Those are spoilers and help to make sure the air passes smoothly underneath the car for maximum downforce. There's at least one more set further back if you look under the car.
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Old 05-25-2020, 12:10 PM
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Originally Posted by superswiss
Those are spoilers and help to make sure the air passes smoothly underneath the car for maximum downforce. There's at least one more set further back if you look under the car.
Gotcha! Thanks Swiss..... One of mine is in bad shape from a cement parking block and is partially cracked, can these be replaced or are they a part of the whole plastic undertray??
Old 05-25-2020, 12:14 PM
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700HP Facelift converted PFL C63 S Coupe
Originally Posted by superswiss
Those are spoilers and help to make sure the air passes smoothly underneath the car for maximum downforce. There's at least one more set further back if you look under the car.
Swiss knows his sh*t.

Some goose on Insta attention gram said when those little flaps hit a speed hump they send a signal to the car and it adjusts the suspension to prevent the nose from scraping further. Who was that again @George_1992 ??
Old 05-25-2020, 12:21 PM
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Originally Posted by allgoldmac
flux capacitor air generator deflectors
I was going to say oil slick defense option
Old 05-25-2020, 12:30 PM
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Originally Posted by George_1992
Gotcha! Thanks Swiss..... One of mine is in bad shape from a cement parking block and is partially cracked, can these be replaced or are they a part of the whole plastic undertray??
Yes, they can be replaced. They are L-shaped and attached to the undertray with 5 screws (if I counted correctly). Should be very easy to replace. You can feel and see the screw heads. Those are common casualties when scraping somewhere, along with the front splitter on the FL aero package. These things are all designed to be easily replaced. I already had to replace my front splitter once. It also just screws on to the bumper.

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