Ok. I have a brand new exaust system sitting on my garage floor. Its from midamerica. Manifolds all the way back. Should I put this system on the stock manifolds and be done with the exaust for good or should I sell this/trade it and try to get a used set of headers and have two piecies of piping to connect to each header to run true duals out the back? Is messing with the stock manifolds going to change the sound enough to make a difference? I want a mean sound. Tried differeent mufflers ect. Got that part good. I know the headers will give about 15 horsepower or so back to the motor but I want to know about the mean sound. Anyone know the sound difference between stock manifolds and long tube headers? If its not a big difference, then I will just put on this system and call it a day. Thanks guys.