strip held on with double sided tape that the skirt pieces snap into then screws along the bottom of the rocker.
In the wheel wells the ends are held in with rivets and thats what they gave me when purchased new strips and the front corners from VW. But the screws I would figure you could just use some of those fancy self tapping screws.
She keeps tellin me you should sell that POS everyday. And then I consider the alternative. A quiet, boring, lil eco box. And then when im on the on ramp to the highway I punch it and wind out 3rd gear and hear that intake and the exhaust together in perfect harmony as it rips a humongous hole in the ozone layer and causes the spontaneous explosions of tree huggers faces . I my VR6!!!