With thirty-five years of experience, Flowmaster has specialized in automotive science and various patent protecting technologies. Ushering a new standard, the brand has shown a revolutionary development in the past few decades. The brand has an aim to design the best automotive products, delivering high-end performance. The highest quality of exhaust products, advanced manufacturing techniques and unwavering dedication toward customers are what set this brand apart from others. Flowmaster Performance has embraced innovative technologies to improve its product line. From its FlowFx straight-through design to legendry chambered, every product delivers outstanding performance.
Flowmaster's Outlaw Axle-back systems are race-oriented systems designed to replace original rear mounted mufflers located behind the rear axle using factory style connections. Outlaw systems deliver an ultra aggressive interior and exterior tone and are suited to the enthusiast who wants the most aggressive components they can purchase. 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.
- Mandrel bent 16 gauge stainless steel tubing.
- Aggressive Sound Exterior Exhaust Tone.
- Includes hangers and hardware for easy installation.
- Axle-back System.
Axle-back System 409S - Dual Rear Exit - Outlaw - Aggressive Sound.
Installation Notes:
Fits 2005 to 2010 Mustang GT and GT500 with a 4.6L or 5.4L V8 engine. Professional installation by a licensed mechanic required.
Brand | Flowmaster |
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Part Number | FLO-817511 |
Shipping Method | UPS/FedEx/USPS Ground |
California Prop 65 Warning |
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