The MagnaFlow 2005–2009 Ford Mustang Competition Series Cat-Back Performance Exhaust System #16674 delivers an aggressive, attention-grabbing edge to the deep, resonant exhaust tone MagnaFlow is famous for. Designed for 4.6L and 5.4L Ford Mustang engines, this system provides dyno-proven performance gains and a competition-inspired driving experience.
The exhaust system features fast-flowing 3-inch mandrel-bent main piping paired with two straight-through mufflers, terminating in a dual split rear exit with 4-inch polished, welded-on double-wall angle-cut folded edge tips. The result is a bold exhaust note and a sporty, race-inspired appearance.
Its cat-back configuration replaces the factory exhaust components from near the catalytic converter and back. Exhaust system #16674 is tuned to produce aggressive exterior sound levels and moderate interior sound levels, perfectly suited to its performance-oriented design.
Thanks to advanced 3D scanning during development, the system features a precise direct-fit design that allows for easy do-it-yourself installation. Constructed from 100% durable, corrosion-resistant stainless steel and manufactured using CNC precision robotic techniques, this exhaust system is backed by MagnaFlow’s limited lifetime warranty.
Specifications
Series: Competition Series
System Type: Cat-back exhaust system
Pipe Diameter: 3"
Pipe Construction: Mandrel-bent tubing
Mufflers: 2 Straight-Through mufflers
Exit Style: Dual split rear exit
Exhaust Tips: 4" polished, welded-on, double-wall, angle-cut folded edge tips
Exterior Sound Level: Aggressive
Interior Sound Level: Moderate
Material: 100% stainless steel
Installation: Direct-fit
Manufacturing: CNC precision robotic manufacturing
Warranty: Limited lifetime warranty
