For the serious enthusiast who is looking for all the performance benefits of a complete Cat-back dual exhaust system, this is it. As an American Thunder system, it delivers an aggressive exterior sound level and a moderate interior tone that is suited to the enthusiast who wants to be heard. With maximum performance and easy fit in mind, the system is mandrel bent and includes specially engineered mufflers featuring Delta Flow technology. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for a simple installation. Note: does not fit GT500.Features: Dual Stainless Steel Natural Split Rear Exit Ford 5.0L ModularProduct Description: 13-14 Ford Mustang GT, Coupe/Cnvtbl., 5.0L, Cat-back, 3.00" Mandrel Bent Tubing, Scavenger X-Pipe, 60 Series Mufflers, 4.00" Polished Tips, American Thunder, DOR, 409S Stainless Steel, Does NOT fit GT500.Pit Stop USA offers Flowmaster Cat-Back Exhaust System - 2013-2014 Ford Mustang GT 5.0L 817587 at low everyday prices. Be sure to check out all our products from Flowmaster including Flowmaster Ford Mustang (5th Gen) Exhaust Systems and Flowmaster Ford Mustang Exhaust Systems.