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ST3 Reviews for the product - ST3 -
3 Product Reviews - Average rating 5 / 5 (Best Rated | Worst Rated | Most Recent | Oldest)
ST3 Seat
- 1/30/2019
It is very hard to find a race seat for a big guy (240lbs)that will fit in a C5 Corvette with stock interior. I also wanted to continue using the stock seat belts because the car is still driven on the street. Since my daughter and I share the car for HPDEs I needed to maintain seat adjustment. After a long search and sitting in many cars I chose the ST3 seat and have been very pleased. The install was easy. I used the ultra low bracket with integrated harness bar, which allows for more seat adjustment. I replaced my stock seat studs but the stud extenders sold by Marrad allow for an easier install. I also used the double locking sliders to complete my install. This seat meets all of my requirements and is very comfortable on the street or track. Mark was excellent to work with through the ordering process and install. I am very happy with the ST3 and would highly recommend it.
Simply the best street and track seat for a Corvette
- 11/17/2017
Being 6'4" looking for an occasional track seat to fit in my 2010 Corvette ZR1 quickly became an exercise in futility. My search eventually led me to the ST3, and after comparing all options, I decided to order one before track season picked up.

The communication with Mark was excellent, and the seat arrived in a timely manner. I was very pleased to see that the quality, fit, and finish were higher than I would have expected from even a factory seat. The subsequent install was very easy, and took less than 20 minutes.

Quite frankly, this is, by far, the best seat I've had in any car; it is not uncomfortable for the road, yet offers incredible amounts of support on the track.

Combined with the Marrad ultra low seat mounting bracket, this seat will allow for a comfortably low driving position, which for a taller than average driver also means ample room for a helmet. Something that is rarely possible with other seats, let alone the stock Corvette seats.

You want everything in a seat? Order this. Order it now.
ST3 -> s2000 = win
- 7/22/2016
I worked with Mark installing the ST3 in my MY02 s2000. He was very communicative on the install, and offered many suggestions.

In regards to the seat, it fit like a glove in my s2000. The fit an finish of the seat is superb, from the quality of the surfaces to the stitching. Spent about 200 miles in the seat so far and I like it. The seat is comfortable, and holds me tight due to the suede-like center and side bolsters. I have no doubt this seat will serve my needs on my next track day. Being 6ft 215, that's a tall order.