Flowmaster 817859 American Thunder Axle-Back, 2018-19 Mustang GT
Axle-Back Exhaust System Type, Dual | Quad Exit Single or Dual, 3" Exhaust Pipe Size
Introducing our new American Thunder® Axle-back exhaust system featuring our new W.A.V.E. Technology™ (Wireless Active Valve Exhaust™) for all 2018-2019 Ford Mustang GT 5.0L coupes and convertibles, originally equipped WITHOUT the Factory Active Performance Exhaust Option. This trick new stainless steel exhaust system has two wireless remotes that control the high-quality actuators and exhaust valves included with the specially designed mufflers incorporating Outlaw® muffler technology. When the valves are closed, you have a moderate exterior and interior tone. Want more sound? Push the remote and the valves open for an aggressive wide-open sound...it's that simple! Other features include large 3.00-inch mandrel-bent 409S stainless steel tubing for high flow and durability. The system is finished off with quad 4.00-inch polished 304 stainless steel tips for an aggressive look that demands attention. Includes all necessary parts, hardware and detailed instructions for an easy installation you can do at home. Covered by the Flowmaster® Lifetime Limited Warranty. Want even more sound? Be sure to check out our Scavenger Series® X-pipe Resonator Delete kit #817817.
- Includes Two Wireless Controllers to Open/Close Valves
- Comes with High-Quality Valves and Actuator Motors
- Mandrel-bent 16 Gauge Stainless Steel Tubing
- Quad 4.00-inch Polished Stainless Steel Tips
- Featuring Race-proven Outlaw Technology
- Uses the Factory Hanger Locations
- Deep Powerful Exterior Sound
- Lifetime Limited Warranty
- Open Exhaust Sound
- W.A.V.E. Technology
- Easy Installation
- This item ships directly from the manufacturer. It may take an additional 21 business days for Flowmaster to ship this item.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
More Like This
Flowmaster 817799 American Thunder Axle-Back Kit 18-19 Mustang GT
Flowmaster 817807 American Thunder Axle-Back, 18-19 Mustang 5.0L
Flowmaster 717789 FlowFX Axle-Back, 2015-19 Mustang, 2.3L, 3.7L
Flowmaster 817800 Outlaw Cat-Back System, 2018-19 Mustang GT 5.0L
Flowtech 52018FLT Axle-Back Exhaust System, 2018-19 Mustang 5.0L
Flowtech 52019FLT Axle-Back Exhaust System, 2018-19 Mustang 5.0L
MagnaFlow 19191 Competition Series Exhaust System
MagnaFlow 19369 Competition Series Exhaust System
MagnaFlow 19370 MF Series Performance Cat Back Exhaust System
Flowtech 12146RFLT Axle-Back Exhaust. 2015-18 Mustang 5.0L
Q & A
If you're ready to get your street machine sounding as good as it looks, it's important to know how each muffler will affect your sound and performance. Take a listen and decide which muffler is best for your rod.
Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
Jeremy explains the different options of headers that Speedway Motors offers for Demolition Derby cars. Watch this video to see a variety of options and the benefits of certain headers.
Our Tru-Ram Exhaust Manifolds are one of our most popular items. Tim provides more details about them and gives you a great look at them.