who else has a saggy stillen front lip?

Guard Dad

If you mount it securely you should have absolutely no problems. I used nuts, bolts and washers (except on the sides where it runs across the flat painted surface of the bumper cover because I wasn't going to put holes the front of the car in a visible area should I ever choose to remove the splitter) and I used truss head sheet metal screws (drill pilot holes!) to attach the very ends of of the splitter to the bumper cover flange in the wheel wells. Use black acrylic caulk (sparingly) to bridge/seal any gaps between the lip and the body work (makes it look more integrated and prevents dirt and bugs from getting in the joint) and you'll have a splitter/lip that is very secure and looks OEM quality. Just yesterday the service writer at the dealer commented on how much he liked the splitter.

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2010 Brilliant Silver, Base w/Sport Package, AT7, Katzkin leather, upgraded audio and lots of Dynamat and a bunch of small stuff.