TurboXS RFL Catback Exhaust for the Cobalt SS TC is just that "Really Fuckin' Loud". As with anything we put our "RFL" tag on, this part does not disappoint. This exhaust should pull at the heart strings of any enthusiast who is looking for the biggest, baddest, and loudest soundtrack offered for the Cobalt SS TC. Constructed from full 3 inch mandrel bent stainless steel, this exhaust will flow at any power level you throw at it.