Here is the Mattig lip I don't much care for. The only purpose it serves is to catch pencils from rolling off the trunk lid.
And Ben, I doubt that any of these small spoilers have much of any impact on performance, especially at the speeds we are driving our cars at. As for the added weight, the OEM spoiler is pretty light. You can easily pick it up with your thumb and index finger. I believe my In-N-Out Burger Lunch weighed more than my spoiler did.
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