Whats the loudest setup for a 95 dodge ram with the 360 gas engine?

i have a 95 dodge ram with just stock headers and flowmaster cat and cherry bomb glass packs... i want to buy all new headers, cat, and muffler. what is the loudest setup that anyone knows of? i have single to dual out back. PLEASE help me! i was thinkin i want to get spintech mufflers but idk! Any suggestions?