Exhaust System Kit for 2018-2023 Ford Mustang 5.0L NEO Series Cat-Back Performance Exhaust System MagnaFlow 19579
Exhaust System Kit for 2018-2023 Ford Mustang 5.0L NEO Series Cat-Back Performance Exhaust System MagnaFlow 19579
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The MagnaFlow NEO Series Cat-Back Mustang GT Performance Exhaust System #19579 is made of premium stainless steel and engineered to produce a modern, aggressive sound utilizing our latest technological innovations and decades of exhaust design experience. #19579 creates an aggressive exterior sound while keeping engine noise to a moderate level inside your 2018-2023 Mustang GT. It also features an NDT (No Drone Technology) resonator, which reduces unwanted noises that can otherwise occur at cruising speeds. The 3” main piping of this exhaust kit passes through a Tru-X pipe which facilitates the improved evacuation of exhaust gases, before terminating in a quad rear exit featuring 4” black chrome tips. This Ford Mustang exhaust system will integrate with your muscle car’s Active Valve Performance Exhaust system, allowing you to open and close the bypass valves as you please (required valves sold separately; MagnaFlow Part #: 10805). Like all MagnaFlow exhaust systems, #19579 has been dyno-tested to ensure improved performance over your Mustang’s stock system. The exhaust kit is produced using CNC precision robotic manufacturing and backed by MagnaFlow’s Limited Lifetime Warranty.
- 100% Stainless Steel
- Increased Horsepower and Torque
- No-Drone-Technology allows for a quiet cabin
Key Specifications
- Series: NEO
Why Buy This MagnaFlow Part?
Built for exhaust-system performance, durability, and dependable fitment, this part is well suited for replacement, repair, or custom fabrication projects.
Important Installation & Fitment Notes
- Universal and custom-fabrication parts may require cutting, welding, clamps, or additional hardware for final installation.
- Please confirm pipe diameter, body size, overall length, and inlet/outlet configuration before purchase.
- Professional installation is recommended for best fitment, alignment, and leak-free performance.

Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.