what seats did you go with? Shopping for seats for my 991 also.

Careful word of advise, measure the width of you car (or current seats) to get a feel for clearance. I started with a pair of Sparco Evo II's I purchased from a friend (they fit great when I sat in them), they were too wide at the end flair of the seat (where your knees are) and wouldn't fit due to the console. Ended up with Racaro seats with halo (these fit me a little on the tight side).

Now a warning about halo seats. I love them but when I slide the seat back (to get out of the car) they get stopped by the B-pillar. The left rear side of the halo ear hits the B-pillar. I've learned to be careful with this because; a) it puts some unneeded torque on the seatback and bracket, and b) it makes a mark on the B-pillar trim.

The really good news is the Cantrell roll bar, they did their homework. Not only was this a clean install but they connect to the car at solid points and have their own flush plate to minimize shear. My undergrad is structural engineering and I was pleased with this setup. For those that don't know these newer cars have punch through shear problems. I've seen the entire front shock tower punch through its connection when a guy hit a pothole at the beginning of some curbing.

thanks for your response. Appreciate the insight. Don’t want halo because still want to use car on street occasionally but looking at Recaro also.

You can buy the OEM euro club sport seats (GT2 CF seat) from Sun Coast Porsche Parts and have them installed and programmed with the PIWIS since they have OEM airbags. Pricey but no insurance issues if you get in an accident on the street. Half the price of the “918” style seat and are articulated so you can still access the rear of the 911. Wife has a replacement knee, so the 991 GT3 started with sofa seats. I replaced the driver side 2 years ago with the Club Sport seat so I could track with a harness and she can still get in and out of the car on the passenger side. No airbag light.

That was probably me since I do have one fitted to a 2015 GT3. They are pricey especially if you buy two and only use one! These were optional in Europe for the 991 GT3 club sport package, which was not brought to the US. So not officially sanctioned.

I feel for you. Did the same with my 2014 Carrera S. OMP HTE 400 driver and WRC passenger seats fit great and really transformed the experience on the track, but the airbag light drove me nuts. Couldn’t find an independent shop with access to the PIWIS tool to take care of it, and no area Porsche dealership service department was willing to code it out due to potential liability issues. In the end I found a shop that tried the resistor trick, creating an elaborate patch harness to plug into the chassis seat wiring connector, but that only worked for a couple of days before the light came back on. Other than the annoyance of having the airbag light on, my main concern was functionality of the airbags on the passenger side. With no weight sensor in the OMP passenger seat and therefore no way for the car to know whether the passenger seat was occupied, I had no assurance that the passenger airbags would actually deploy in an accident on the street if I was carrying a passenger. So I never wanted to have passengers in the car from that point on. Pretty frustrating. It would be great if we could source OEM passenger seat cushion occupancy sensors to retrofit under the seat cushions of aftermarket race buckets. Then they could plug into the wiring harness connector on the floor and all would be good.

Ultimate solution for me was to put the stock seats back in, turn the 911 in and move on to a GT4 with the fixed carbon buckets. They’re not quite as deep and secure as the OMP race shells, and they don’t have halo protection, but the OEM functionality is well worth it.