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.Features: Mandrel Bent 16 Gauge 409 Stainless Tubing Limited Lifetime Warranty Aggressive And Powerful Exterior Exhaust Tone Includes Hangers and Hardware For Easy Installation Cat Back System Dual Out Rear Exit Dyno Tuned for Maximum PerformanceProduct Description: '05-'10 Ford Mustang GT/GT500/California Special/Cnvtbl. 4.6L,5.4L, 3.00" Mandrel Bent Tubing, Scavenger X-Pipe, Special Build 60 Series Mufflers, 4.00" Polished Tips, American Thunder, DOR, 409S Stainless SteelPit Stop USA offers Flowmaster American Thunder Cat-Back Dual Exhaust System - 2005-10 Ford Mustang GT/GT500/California Special/Convertible 4.6L/5.4L 817494 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.