The Ultimate GT350 Driver's Exhaust. From the market leaders and originators of No Drone Exhaust Technology, the CORSA Performance Mustang GT350 V8 axleback exhaust system features CORSA's Patented Reflective Sound Cancellation(R) (RSC) No Drone Technology paired with CORSA's proprietary valve assembly and allows CORSA's acoustic engineers to create an aggressive yet drone free controllable exhaust note, styled specifically to fit the personality of the Ford Mustang GT350's 5.2L Vodoo engine. CORSA's GT350 axleback exhaust system is the result of a decades long pursuit to Perfect the Science of Sound allowing the driver total control of the exhaust experience by unleashing aggressive exhaust notes while maintaining the Best-In-Class, No Drone driving experience made possible by CORSA's patented RSC(R) Technology. Featuring a straight-through muffler design, 3.0 in., 304 stainless steel construction, Nothing Compares to CORSA Performance when it comes to providing the driver total control of the Ford Mustang GT350 exhaust note.