Borla 2011-2012 Mustang GT 5.0L 8cyl 6spd RWD Aggressive ATAK Catback ExhaustThis Cat Back(tm) system is a direct, bolt on fitment, but will remove the side pipes on the Boss 302. System contains a X Pipe for increased performance and improved sound. Features bright chrome on T 304 stainless steel tips. Borla(r) has developed a revolutionary exhaust technology that enables our engineers to deliver unprecedented vehicle specific control over the acoustical note of an exhaust throughout the RPM range, while retaining 100% of the