i don't have true duals, but mine is -from the front- 97 tubular manifolds, custom downtubes w/ no cats, no resonator y'd before the tank, y'd bak out after the tank into 2 si/so 40 series flows. there's a drone at highway speeds but my stereo drowns it. also it almost sounds like a riced honda at around 3k
1994 Thunderbird - 2000 4.2L M5R2 now has 55k
1995 Thunderbird - 2002 Alum 4.6L SVO - Awaiting transplant...
1996 Cougar - 2004 3.9L 4R70W - Part-out soon