It's not exactly cheap, coming in at just shy of $7,000, but interestingly, it's not solely for new cars. If you've already got a current generation 911 Turbo, the company's more than happy to sell you the kit as a retrofitted upgrade.
Provided you don't go off track at 180+ mph, it doesn't even void the body's warranty.
Aaron Miller is the Rides editor for Supercompressor, and can be found on Twitter. He's legitimately curious as to just how many 911 owners will actually reap the benefits of 40 pounds of downforce.