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Warehouse Clearance Cat-back Exhaust,american Thunder,18-20 Mustang Gt,ss,w/val Add To Cart [Hp62LCKN]

$71.99 $230.99 -69%

CAT-BACK EXHAUST FOR MUSTANG GT Introducing the Flowmaster American Thunder Axle-Back Exhaust System, a premium upgrade for your 2018-2020 Mustang GT. This brand new system is designed to enhance your vehicle's performance and aesthetics with its 3"

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Warehouse Clearance Cat-back Exhaust,american Thunder,18-20 Mustang Gt,ss,w/val Add To Cart [Hp62LCKN]

CAT-BACK EXHAUST FOR MUSTANG GT

Introducing the Flowmaster American Thunder Axle-Back Exhaust System, a premium upgrade for your 2018-2020 Mustang GT. This brand new system is designed to enhance your vehicle's performance and aesthetics with its 3" tubing diameter and dual out rear design. Compatible with factory active performance exhaust valves, this system seamlessly integrates with your Mustang, providing a sporty and aggressive sound profile.

Key Features and Specifications

The American Thunder Axle-Back Exhaust System boasts a pair of specially designed Outlaw Series mufflers, ensuring high flow with a moderately aggressive exterior and interior tone when the valves are closed. Open the valves, and experience an aggressive "wide open" exterior sound level. Other features include large 3" mandrel-bent 409S stainless steel tubing for high flow, durability, and longevity. The system also includes high-quality valves to accommodate the factory exhaust actuators, allowing you to control the sound output. The system is finished off with quad 4" polished 304 stainless steel tips, giving your Mustang an aggressive look that demands attention.

Practical Uses and Benefits

This Flowmaster American Thunder Axle-Back Exhaust System is perfect for Mustang GT owners looking to boost their vehicle's performance and sound. With its full stainless steel construction and straight-through muffler design, this system is dyno tuned for maximum performance. It uses the factory hanger locations for easy installation and includes all necessary parts, hardware, and detailed instructions. Whether you're driving to work or hitting the track, this exhaust system will provide you with an aggressive and distinctive sound, making your Mustang stand out in any crowd.

What Our Customers Say

January 18, 2026

Absolutely no complaints!

It's a very well-made product, great quality and very well-finished.

- Ace F..

January 18, 2026

Absolutely no complaints!

The product is great, I am very satisfied with it.

- Addison D..

January 18, 2026

Absolutely no complaints!

It's a very well-made product with a nice design.

- Grace G..

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