MidnightBlade
Shiftin' Smooth
I think you missed his sarcasm because he doesn't run a muffler. Of course a clogged one will hurt performance. A restriction is a restriction
I think you need to look a little closer at his reply..."Ditched teh factory muffler ( which was so clogged with soot, I could barely lift it and put in a 4" system" he is NOW straight piped