Lip/Bumper = useable down-force?

Masterbeatty

^I know exactly what you are talking about, i have seen it before but this is similar to what you are talking about.

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I think it all comes down to what type of wing you use and what application it is used for. If its for auto x and the wing will only produce 150lbs of DF at <60 mph then i woul say your fine with out an extra frame. But road race/ time attack with a wing making much more pounds of downforce then i would definately want the extra support to fully untilize that energy. There is also the option of doing the R's Tuning GTR type wing and have the mounts cut through the rear bumper. I thought about that option too, but i dont have the knowledge or resources and dont want to pay for such a custom spplication.

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2011 MB 6MT
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