Since mid-1964, Mustang has always been about muscle, looks, and loads of customization options. Borla(r)'s lineup for the Mustang GT and Shelby GT500 lives up to this legacy, with systems to meet a wide variety of performance goals and budgets. For soundaholic Mustang GT drivers who won't settle for anything less than unbridled performance with a pure, aggressive pony car growl, Borla(r) offers a Cat-Back(tm) (PN140318) and Axle-Back (PN11777) system, each featuring Borla(r) S-Type mufflers. Both are also available with Borla(r)'s more sound-absorbing Touring mufflers (PN140319) and (PN11778), for sleeper fans who prefer to be more subtle about their power upgrades. Responding to the high-output exhaust needs of the supercharged 2010 Shelby GT500, Borla(r) engineers developed a specially-tuned Multicore Cat-Back(tm) system (PN140320) which includes an X-Pipe. Borla(r)'s patented high-velocity Multicore design distributes exhaust gases through multiple straight-through perforated cores. A race-tested innovation, Multicore technology is also utilized in Borla(r)'s elite XR-1 mufflers used by winning teams in NHRA, Baja 1000 and many other racing venues, and has been proven to actually outflow a straight pipe. System features high-quality T-304 austenitic stainless steel construction, ultra-smooth mandrel-bent 2.5" tubing, flawless welding from master craftsmen, dual 4" diameter angle-cut rolled edge 12" long bright chrome on T-304 stainless steel tips, and an unrivaled Million-Mile Warranty. From the dimensions and perforation patterns of the inner cores to the amount of composite filament packing, all specifications of Borla(r) mufflers are tuned on a vehicle-by-vehicle basis for an optimum blend of performance and sound. Combined with distinctive motorsport styling, easy bolt-on installation and enhanced fuel economy, the world's most winning exhaust continues to lead the industry it founded over 40 years.. This is Borlas® complete Cat-Back © system including X pipe and ATAK mufflers for the Camaro SS equipped with factory ground effects. BORLA® has developed a revolutionary new 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 power-adding capabilities of BORLAs patented multicore design. ATAK(r) Axle-Back Exhaust System For 2013-2014 Ford Mustang Shelby GT500 GT 5.8L V8 Manual Transmission Rear Wheel Drive 2 Door.. Borla 13-14 Mustang Shelby GT500 GT 5.8L V8 RWD Dual Split Rear Exit ATAK Exhaust Rear Section Only. 2013-2014 Ford Mustang Shelby GT500 GT 5.8L V8 Manual Transmission Rear Wheel Drive 2 Door.. Axle-Back Exhaust System - ATAK(r). Borla Axle-Back System. Million Mile Warranty. ATAK; Rear Section. Exhaust System Kit. Axle-Back System. ExhstSysKt

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