Here is my single exit 3" exhaust, with no cat, going down the road. It's a 36 inch Powerstick with true 3" flowpath, from Classic Chambered Exhaust. I was running my 305 tpi for this video. I am in the process of swapping in an LT1 and will run the same exhaust Hope you like the video.

Video: http://www.youtube.com/watch?v=MdPS84W8nRo

And here's my swap thread: https://www.thirdgen.org/forums/ltx-...ver-v-8-a.html