That "bundle of snakes" as you call it, is/are called 180 degree headers. Sounds like crap, a pain in the arss to do, but there's extra power in 'em. Truly only feasible in mid/rear engine cars.
Technical Director/Co-Owner Performance Fords-check out our new throttle body service 95 SE with lots of custom 1 off mods. All design, fabrication and installation by owner.