lower air dams
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Racer
Joined: Jun 2017
Posts: 254
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From: port neches texas
lower air dams
i keep getting conflicting things. What are the outside lower air dams for ? Thanks Mine are broken i was just gonna take them off somebody said it directs air into radiator .
Melting Slicks
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From: North Fulton Georgia
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The air dams are high speed air deflectors. THey function at racing speeds and that means over 100 MPH. They scrape pretty much everything. I took them off my '07 and I also removed them from my '14 the day I got it home from the dealer. Since I don't race the car, I don't need the noise makers. The Z51 cars do not have the center air deflector.
Elmer
Elmer
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They are for aerodynamic improvements at higher speeds. Still have them on mine and yes, they do have a tendency to scrape on a lot of things.
Safety Car
Joined: Mar 2006
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From: Chester VA
The air dams are high speed air deflectors. THey function at racing speeds and that means over 100 MPH. They scrape pretty much everything. I took them off my '07 and I also removed them from my '14 the day I got it home from the dealer. Since I don't race the car, I don't need the noise makers. The Z51 cars do not have the center air deflector.
Elmer
Elmer
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
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ALso, if you put a splitter on the front, the dams aren't hardly seen, heard, but not seen. 
Elmer
Elmer