The quality of the metal parts is top tier. Very precisely designed as precisely machined.
For the price I paid roughly 2.5k USD, the customer experience was not good. I paid for the rig, seat, seat slider, and a 2 sets of titanium bolts. 4 weeks ago the initial purchase was completed. To date I have 0 hours on the rig because I am STILL missing 6 parts (pictures included). All of the missing parts are for the steering column/wheelbase section. After waiting for week with no communication the order had not shipped and i started emailing customer support. After a full 2 weeks the parts had finally shipped (fully listed as in stock even at time of writing the website still listed as in stock). After shipping delays as I went to build the thing, I realized that a total of 6 parts were missing Again pictures included. At time of writing, 4 weeks after the money left my account, I still don't have a completed rig. Customer support even confirmed that they knew the parts weren't in stock in the US, and it took me emailing them to find this out. Through all the waiting and mistakes on Spec's end they were never pro-active. Without raising a stink as a customer, I don't think I would have ever received the missing parts.
Had I known the amount of hassle and waiting that I was signing up for, I would have gone to micro center and bought a Sim lab chassis for 900 bucks and seat for 500 ish and walked out of the store with a complete rig. As good as the parts are, for the money, I cant say I'd recommend this. Money left my account on July 10th and the date of writing is August 7th and I still cant finish my chassis.