Magnaflow 18-21 Ford Mustang 5.0L V8 NEO Cat-Back Exhaust System

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 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.

Additional Information

Magnaflow NEO Series Black Chrome Tips Cat-Back System

Part Type

Exhaust System Kit

Product Overview

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.

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• 100 Percent Stainless Steel
• 100% Stainless Steel
• Increased Horsepower And Torque
• No-Drone-Technology Allows For A Quiet Cabin

Important Notice relating to US Domestic Market Trucks & Pickups

Many US-market trucks and pickups are available in multiple cab and bed-length configurations (e.g., Single Cab, Extended Cab, Double/Crew Cab, CrewMax, 5.5ft/6.5ft/8ft beds, etc.). Exhaust system fitment can vary between these chassis versions.

Where available, we list all compatible vehicles, cab types, and bed lengths in the product description. However, depending on your exact configuration, some systems may require optional extension/mid-pipes or minor modification for correct fitment.

Because of these variations, please carefully check your cab configuration and bed length before purchasing. If you are unsure, or if your vehicle has been modified, please reach out to a StreetFX agent.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Exhaust System Kit

MagnaFlow NEO Series Performance exhaust systems are available for fitment on a wide range of vehicles, including many Honda©, Acura©, Ford, Volkswagen, and Toyota models. The systems are engineered to enhance the sound and performance of your engine with improved airflow and a fresh take on MagnaFlow's signature exhaust sound. Improved exhaust flow is made possible thanks to the system's 2.5 in. mandrel-bent main tubing with No-Drone Technology resonators. NEO Series systems are easy to install with a direct-fit bolt-on design that replaces all major exhaust components from near the catalytic converter on back. Parts are made entirely of durable, corrosion-resistant stainless steel (except carbon fiber tips). The cat-back systems are available in a variety of inlet/outlet, muffler quantity, and tip options.
• EXHAUST UNLEASHED: Aggressive and unleashed in all the right ways. The NEO Series represents an evolution in MagnaFlow's exhaust sound that has been re-engineered and enhanced to match the advanced technology of today's performance vehicles.
• PURE PERFORMANCE: Sound is nothing without power. Every NEO Series exhaust system is designed for maximum airflow and validated on the factory in-house dyno to ensure performance across the entire powerband.
• ENGINEERED EXCELLENCE: Robust stainless-steel construction, advanced 3-D scanning and CNC precision robotic manufacturing ensure your exhaust is engineered to last.
• DRONE-FREE DRIVING: MagnaFlow's No Drone Technology utilizes quarter-wave passive noise cancellation to eliminate unwanted droning frequencies for improved interior comfort and sound.