I'm 5'10 36-38" sat in this seat today and for great. Looked at several seats in person and this seems like the smallest that has a medium size fit. Placing order tomorrow for it

 

Looked at I think the 45 17" full containment no way is that thing getting in the car!

 

Shoulder support on my 15" seat just touch the door. I don't think you can go any bigger with out bending the seat.

 

I'm 5 8" on a good day, 30" waist. I fit in no problem at all. It's not a tight fit which is good for the drive to the track but it's quite high sided so i don't move around a lot. I have tried a fair few seats in my time, and I would describe this as 'roomy' for someone of my build. Very comfortable though. In an ideal workd I would like it probably an inch narrower.

I'm using gsm seat rails, a uk company, they are basically a direct copy of the buddy club rails.

Any other questions just let me know

 

I just ordered a Sparco Pro ADV. Will post pics once it is installed.

 

Any update?
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I've had it in the car for about 4 events so far.
Its a big seat much wider than the old buddyclub bucket seat I had before.
I had to hammer the lip on the trans tunnel to make it fit even then the seat does touch the door.
I have a 34" waist and 6'2 and the seat is taller than me and wider than me.
When I installed it with the BC rails I had to remove the slider bar because the seat is wider than that. I also had to flip one of the side mounts on the BC rails but in the end it works.
Another thing is I couldn't set the seat at full tilt due to hitting the roll bar.

I can snap pics if people are interested

 

Those are a bit more than the $400ish price range you wanted lol

 

$688 shipped. Open box.☺

 

Who sells open box stuff like that?

 

Found it on eBay.

http://www.ebay.com/itm/271546905617...%3AMEBIDX%3AIT

It was listed at $764 for a long time. Then I saw that he had dropped it to $688. I missed out on a Recaro pro racer SPG XL and decided to just bite the bullet.