Exhaust

I have 1996 luimina .. and for fun would like to change the exhaust system around. What would be the loudest muffler I could put on it, and reconmmedations for good beefy exhaust parts? I want some good stugg. iknow there is flowmaster and that but who makes the best muffler for a competitive price? Going to be keeping both 02 sensors and catty just new muffler and pipes. what should i get?

magnaflow all the way through from header to exaust tip.