Very informative post. I have a 4.8is So, if I wanted to cut my resonator off why would I need to replace it something? Why can't I just straight pipe it all the way back to the muffler?

I love the sound but it sounds VERY restricted to me. I want to open it up. I am thinking about maybe cutting the 2nd cats (if there are 2nd cats like the e90 and e82) and cutting the res and just stright piping it back to the muffler. Though it could be the muffler that is sounding restrictive??

Any ideas? Thanks guys!