I thought I should put this all in one place. These are my various exhaust setups. All trucks are 4.0 OHV, No cats.
1st up is a 97 4.0, no cats, FM40 with dual 2.5 exit and 3.5" tips.
http://www.youtube.com/watch?v=O6BtTXPH5Hg
2nd is a 99 4.0, no cats and a magnaflow with single exit. 3"...