I don't care who redoes the OE box to what firmness. This was a sore spot for me as my suspension was great, but the bottom line is the OE boxes simply suck. I was so happy Borgeson took this on and bought one over a year thinking I was the only one who'd appreciate real steering. A hundred boxes later, I wasn't the only one. It' not cheap, it' not for everyone or every car, but it' on my top 5 best parts to modernize our mopars.