I picked up a cheap "carbon fiber" air dam on eBay, mostly because its the only one I've ever found for the non-m 2er and wanted it for cosmetic reasons. But upon unpacking it, I noticed that the bottom of the dam is
not flat. It's just open on the bottom with a void all the way to the top contour where it mates to the bumper. Would that cause a turbulence/lift issue? If so, what could be done to flatten it out, such as mating a splitter to the bottom? Any good off-the-shelf "universal" options? Or is that normal for an air dam and I'm reading too far into this?
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17x9 APEX Arc8-R, 255/40/17 RE71RS, Vorshlag Plates, Swift Spec-R Springs, m-Performance Bumpstops, Dinan ShockWare, Paragon 2-piece rotors, Carbon lip, custom 3" alumalite splitter, GTS wing, FTP Intake and Charge pipe, BootMod3 Stage 1 OTS