I am currently in the market for a 3" cat-back and I am looking for some opinions. I am looking for the cat-back that is the quietest while still being free flowing. So I defiantly need a resonator and a muffler. Here are the options. CTI - $450.00 Magnaflow Resonator and Muffler https://customtubesinc.com/catalog/p...57cc45675d6dde OTTP - $575.00 304 Stainless steel, Magnaflow Resonator and Muffler http://www.ottperformance.com/m6/Ove...duct_info.html Hahn - $599.00 (not sure if they have a Red...