4-speed console carpet strips?
I agree with RedFish. You can do it yourself for about $25, but it is almost impossible to make it lay flat against the tunnel when installed. I believe that is where the "bias cut" comes into play.
If you're doing a show car, spend the money, otherwise, DIY is okay.
I wasn't a FABO member yet when doing the Demon or probably would have paid the extra $$ for a custom fit.