Roush Exhaust Kit

Fits 2015–2017 and 2024 Ford Mustang 5.0L V8

Part #: 421834

Overview

Enhance your Ford Mustang's sound and performance with the Roush exhaust kit designed specifically for 2015-2017 and 2024 models equipped with a 5.0L V8 engine. Crafted from high-quality T-304 stainless steel, this exhaust system offers durability and corrosion resistance, ensuring long-lasting performance and a sleek appearance. The mandrel-bent tubing maintains a consistent inner diameter, optimizing exhaust flow and reducing backpressure for improved engine response and a more aggressive exhaust note. This system is ideal for Mustang enthusiasts seeking a combination of enhanced sound, improved airflow, and a refined aesthetic.

Key Features

This Roush exhaust kit features a meticulously engineered design focused on performance and durability. Key features include:

• Constructed from corrosion-resistant T-304 stainless steel for longevity
• Mandrel-bent tubing to ensure smooth exhaust flow and minimal restrictions
• High-flow mufflers designed to produce a more aggressive and refined sound
• Single tip configuration with round tips for a classic muscle car appearance
• Easy bolt-on installation compatible with factory mounting points
• Designed to improve exhaust flow and reduce backpressure for better engine response

Construction & Design

The exhaust system is built from premium T-304 stainless steel, known for its resistance to corrosion and high-temperature durability. The mandrel-bent tubing ensures a smooth internal surface, which helps maximize exhaust flow and maintain consistent performance. The high-flow mufflers are engineered to produce a deeper, more aggressive sound while maintaining a refined tone suitable for daily driving or spirited runs.

Performance & Response

This exhaust kit helps enhance the overall driving experience by improving exhaust flow, which can support better throttle response and a more assertive engine sound. The design reduces backpressure, allowing the engine to breathe more freely, potentially contributing to slight gains in power and torque. The sound profile is tuned to deliver a bold, aggressive tone that complements the Mustang's muscular character.

Installation & Fitment

Designed for straightforward installation, this system mounts directly to the factory exhaust points without requiring modifications. Proper fitment is ensured through precision engineering and high-quality hardware, making it suitable for DIY enthusiasts or professional installation.

What’s Included

The package includes the complete exhaust system with high-flow mufflers and round tips, ready to upgrade your Mustang’s exhaust note and performance.

Ideal For

Perfect for Mustang owners looking to add a more aggressive sound and improve exhaust efficiency, whether for daily driving or weekend spirited runs. This system is an excellent upgrade for those seeking durability, style, and performance enhancements in a bolt-on package.