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 with the 5.0L engine is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This bolt-on 409S stainless steel system features single 3.00 inch mandrel-bent tubing and two Super 44 series mufflers for maximum power and exterior sound quality, but with a moderate and pleasant interior tone at cruising speeds. Other features include quad 4.00 inch polished tips. This system includes all necessary parts, hardware and instructions for an easy installation. NOTE: This kit will not fit vehicles with the Active Performance Exhaust option.
Axle-Back 409S - American Thunder Kit - DOR - Moderate/Aggressive Sound.
Fits 2018 Ford Mustang GT with 5.0L V8 engine. Fits Vehicles Without Active Performance Exhaust Option Professional installation by a licensed mechanic required.
Does not fit with Active Performance Exhaust
| Brand | Flowmaster |
|---|---|
| Part Number | FLO-817807 |
| 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