SuperTrapp's Mean Mothers are now meaner and more powerfulTrue 2 1/2" (63.5mm) stepped-performance pipes that post impressive performance gains on stock or built enginesA host of features: pre-installed, easy-to-remove baffles, sturdy and simple bracket system with fewer hardware pieces and pre-installed heat shields with OEM fastenersOEM fasteners on heat shields can be "broken" to replace just the heat shield if necessaryStandard end caps includedChoose from optional slash-cut and turnout end caps; both are infinitely adjustableMade in the U.S.A.