professor, there is only one 'real' benefit. And that is a weight saving..
Despite what people say, they are no noiser, they don't wear faster and don't really give you much if any of a performance advantage for braking.
They are for looks and weight..
$407 to your door ain't a bad price for two I think...
I've had cast drilled rotors on my previous car, they were OEM Porsche. Had no worries at all!
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