Yes the stock system sucks, which is why I am replacing the whole system. I say dump the whole thing and build a nice system from scrap, if I had it to do over I would have never gotten the Mach 1000 system. The new system sound a 1000x better.
I feel bad for the S197 guys. The new system aint that hot eaither and if you dont get the shaker system you dont have the 6.5 openings in the door panels