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 American Thunder Axle-back exhaust system for the 2018 Ford Mustang GT is perfect for the person looking for a moderate to aggressive sound level both inside and outside of the car, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR (Dual Out Rear) emissions-legal system for cars with the 5.0L engine features a pair of Outlaw Series mufflers and dual mandrel bent 3.00 inch tailpipes for maximum performance. The mufflers include functional exhaust valves to work with the OE actuator motors to select between sound levels.The system is built out of 409S stainless steel and utilizes Quad 4.00 inch polished stainless steel tips with the Flowmaster logo embossed in them. This system fits vehicles equipped with Active Performance Exhaust Option. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: This system fits hardtops and convertibles.
Axle-Back 409S - American Thunder Kit - DOR - Moderate/Aggressive Sound.
Fits 2018 Mustang GT Fastback with 5.0L V8 Engine. Fits Vehicles With Active Performance Exhaust Option Professional installation by a licensed mechanic required.
Fits vehicles equipped with Active Performance Exhaust option
| Brand | Flowmaster |
|---|---|
| Part Number | FLO-817799 |
| Shipping Method | UPS/FedEx/USPS Ground |
| California Prop 65 Warning |
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This product can expose you to chemicals including lead and chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov