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Flowmaster 99-04 Mustang GT 4.6L American Thunder SS Cat-Back Exhaust System

For the person who is looking for a complete Flowmaster® cat-back dual exhaust system with an aggressive tone. With easy fit in mind, this American Thunder® exhaust system features mandrel-bent 2.50-inch stainless steel tubing for maximum performance and includes a pair of specially selected Super 40® Series performance mufflers. The custom tailpipes feature added clearance and exit in the factory location with large 3.00-inch polished tips. The system uses the factory hanger locations for an easy install and delivers a moderate to aggressive interior and exterior tone, best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage and are designed for an easy fit. The system includes all necessary parts, hardware and instructions for an easy installation you can do at home. 1999-2004 Ford Mustang GT, MACH1 and Bullitt with 4.6L SOHC engine, Stainless Steel - Aggressive to moderate sound "Fits 1999-2004 Ford Mustang GT, MACH1 and Bullitt with 4.6L SOHC engine.
  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16 Gauge Stainless Steel Tubing
  • 3.00-inch Polished 304 Stainless Steel Tips
  • Super 40 Series Performance Mufflers
  • Dyno Tuned for Maximum Performance
  • Uses the Factory Hanger Locations
  • Moderate Exterior Exhaust Tone
  • Lifetime Limited Warranty

Enhance your 1999-2004 Ford Mustang GT, Mach 1, or Bullitt with the Flowmaster American Thunder stainless steel cat-back exhaust system, designed for drivers seeking an aggressive yet refined sound. Crafted with mandrel-bent 2.50-inch stainless steel tubing, this system ensures maximum airflow, improved throttle response, increased power, and better fuel efficiency. The included Super 40 Series performance mufflers deliver a deep, commanding tone that balances moderate and aggressive sounds, making your vehicle stand out on the road. The custom tailpipes feature large 3.00-inch polished stainless steel tips that exit at the factory location, providing a sleek, finished appearance while maintaining compatibility with factory hangers for straightforward installation. Flowmaster's design emphasizes ease of fit with all necessary hardware, hangers, and clear instructions included, allowing for a hassle-free installation process that can be performed at home.
Constructed from durable 16 gauge stainless steel, this exhaust system is built to withstand the rigors of daily driving and the elements. The system is dyno-tuned for maximum performance gains and features a lifetime limited warranty, ensuring long-term reliability and satisfaction. The system’s moderate exterior exhaust tone offers an exhilarating sound experience without excessive drone, perfect for enthusiasts who want their performance to be heard. As with all Flowmaster products, this exhaust system adheres to Prop 65 standards, ensuring safety and compliance while delivering superior sound and performance enhancements for your Mustang.

Features:

  • Includes hangers and hardware for an easy installation
  • Mandrel-bent 16 gauge stainless steel tubing for maximum flow
  • 3.00-inch polished stainless steel tips for a sleek finish
  • Super 40 Series performance mufflers for aggressive sound
  • Dyno-tuned for optimal performance improvements
  • Uses factory hanger locations for hassle-free fitment
  • Moderate to aggressive exterior exhaust tone
  • Lifetime limited warranty for long-term durability