Alan, I had my Se7en upgraded to wide track, its on a 52 plate and was factory built and upgraded. I can honestly say it was money well spent, and for me a good place to start, what mith many years of power upgrades ahead of me. The front just feels so much better planted and resistant to understeer, and dialing in oversteer all the more controlable. Worth the cost? yes. Handling improved drastically? not drastically but improved. Down sides to normal drivibility? none
If you’re behind me and can read this, its because I’m letting you.... Pee Wee