The seats are Recaro SPG Pole Positions, covered in leather by a company called FVD in Germany. They are a duplicate of the seat Porsche used in the 89 Speedsters and the 964 RS, I believe. They're very light and strong, the cushions are removable, and the seat is very comfortable. The only downside is the cost, which is $1100 per bucket. (Ouch!)
I do have a roll bar, and the red thing on the driver's kneepad (in the previously posted picture) is the new nozzle for the fire suppression system. In a cool bit of engineering, the release cable handle for the fire system is built into where the ashtray went. You lower the ashtray on race day, and the red emergency handle is right there. What's more, a race day ashtray replacement also holds the hotlap timer display, just below the fire handle. Tyson Schmidt at TRE Automotive put it together.
Here's another angle:
