For the person who is looking for a complete Cat-back dual exhaust system with an mild tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a mild interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. 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 easy installation.Features: Mandrel Bent 16 Gauge Aluminized Tubing 3 Year Limited Warranty Stock to Mild Exterior Exhaust Tone Includes Hangers and Hardware For Easy Installation Connects After Factory Catalytic Converter Dual Out Rear Exit Dyno Tuned for Maximum PerformanceProduct Description: 99-'04 Ford Mustang, GT, MACH1 / Bullitt, (Not Cobra), 4.6L, 2.50" Outlet, Super 50 Series Mufflers, 3.00" Stainless Tips, Force II, DOR, Mandrel Bent Tubing,16 Gauge Aluminized SteelPit Stop USA offers Flowmaster Force II Dual Exhaust System - 1999-2004 Ford Mustang GT, MACH1/Bullitt (not Cobra) 4.6L 17267 at low everyday prices. Be sure to check out all our products from Flowmaster including Flowmaster Ford Mustang (4th Gen) Exhaust Systems and Flowmaster Ford Mustang Exhaust Systems.