nextgen seats

Just bought a used 2014 P85D with NextGen seats. I saw one of my co-worker's 2015 90D has some sort of storage net installed on the back of the two front seats. He said it's aftermarket and it's a screw in but looks very well integrated. I looked online but wasn't able to find it anywhere. The...

I have a p85 + with the gray interior with first gen seats, but would like to upgrade to nextgens for more comfort and better corner support. I feel like the old seats make the car feel "heavier" in corners. We have one x and a new s in the family, and even the x feels tighter in the corners...