I am a rep for Cipher Racing seats and have them in my car. After trips of over 200 miles with no stopping I can exit the car with no aches or pains. They're great. If you have any questions on them, let me know. I can get you a better cost than what's advertised on the site too.
http://www.cipherauto.com/BRacing-Seatsb/Cipher-Racing
