V6 Mustang Exhaust Includes ROUSH 2011-2012 Mustang Exhaust with Square Tips and 2010-2012 Mustang Rear Valance More aggressive sound and increased volume Unique ROUSH open-chambered muffler design Improved exhaust air flow for maximized performance Absence of in-cockpit boom No negative impact on emissions 304 stainless steel exhaust tips with chrome flashing 409 stainless steel muffler and pipes Value package for purchase of exhaust and rear valance together Part #421154
