I welded this in place of the mufflers in my magnaflow cat-back and with a catted bassani x-pipe all I can say is it sounds PERFECT!!! it's probably the best money I have spent in a long time. they are 2 1/2" center/center 12" long oval sportsman mufflers...the sound amazing.
YouTube - Bassani Catted X and Borla XR-1 Exhaust 01' Vortech GT‏
YouTube - Bassani Catted X and Borla XR-1 Exhaust 01' Vortech GT‏