Description
Enhance your 1999-2004 Ford Mustang with the MagnaFlow Street Series Cat-Back Performance Exhaust System, part number 15644. Designed specifically for the 4.6L V8 engine, this system delivers a resonant, powerful sound that complements the sporty character of your Mustang while improving performance. Featuring mandrel-bent 2.5-inch main piping and straight-through mufflers, it ensures optimal exhaust flow for increased horsepower and torque. The dual split rear exit with 3.5-inch polished clamp-on tips adds a bold visual statement to your vehicle, making it stand out at every corner.
Constructed from durable, corrosion-resistant stainless steel, this exhaust system is built to last and withstand harsh driving conditions. The use of CNC precision robotic manufacturing guarantees a perfect fit and consistent quality, making installation straightforward even for DIY enthusiasts. Extensive 3D scanning during development ensures a direct-fit design that replaces your stock exhaust components from near the catalytic converter back, providing a seamless upgrade without the need for modifications.
The MagnaFlow Street Series exhaust produces a moderate exterior and mild interior sound level, offering an aggressive yet refined tone that turns heads without excessive noise. This system not only enhances your Mustang’s sound profile but also boosts performance through dyno-proven technology, giving your vehicle a noticeable edge over stock setups. Backed by a 1-year limited finish warranty and a limited lifetime construction warranty, this exhaust kit offers both quality and peace of mind for your upgrade.
Features:
- Durable corrosion-resistant stainless steel construction for long-lasting performance
- Mandrel-bent 2.5-inch main piping for optimal exhaust flow and increased horsepower
- Straight-through mufflers with dual split rear exit and 3.5-inch polished tips for a sporty look and sound
- Designed with extensive 3D scanning for a direct-fit, easy installation
- Produced using CNC precision robotic manufacturing techniques for consistent quality
- Moderate exterior and mild interior sound levels for a refined yet aggressive tone
- Dyno-proven performance enhancements for improved engine output
- Compatible with 1999-2004 Ford Mustang models equipped with a 4.6L V8 engine
Fitment:
Ford Mustang SVT Cobra 1999
Ford Mustang SVT Cobra 2001
Ford Mustang SVT Cobra 2003
Ford Mustang SVT Cobra 2004



























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