Flowmaster Outlaw Extreme Cat-Back Exhaust System

2007–2018 Jeep Wrangler JK 3.6L/3.8L

818110

Overview:

The Flowmaster Outlaw Extreme Cat-Back Exhaust System is engineered specifically for Jeep Wrangler JK models from 2007 through 2018 equipped with 3.6L or 3.8L engines. Designed for off-road enthusiasts and performance seekers alike, this exhaust system delivers a deep, aggressive tone while enhancing your vehicle’s overall performance. Its unique design improves ground clearance and departure angles, making it ideal for tackling rugged terrain without compromising sound or durability.

Whether you’re upgrading your daily driver or preparing your Jeep for extreme off-road adventures, the Outlaw Extreme system offers a perfect balance of robust sound, increased exhaust flow, and reliable construction.

Key Features:

Flowmaster’s Outlaw Extreme Cat-Back Exhaust System combines advanced engineering with durable materials to provide a high-performance upgrade for your Jeep Wrangler JK. Key features include:

• Outlaw series muffler delivering a deep, powerful exhaust note
• 3.0-inch mandrel-bent 409 stainless steel tubing for maximum flow and durability
• Turndown style dump exit located immediately after the muffler to eliminate the over-axle tailpipe
• Improved ground clearance and departure angle for enhanced off-road capability
• Utilizes factory mounting locations for a straightforward, bolt-on installation
• Includes all necessary hardware for a complete installation
• Backed by Flowmaster’s Lifetime Limited Warranty for peace of mind

Construction & Design:

Constructed from premium 409 stainless steel, the Outlaw Extreme exhaust system is built to withstand harsh environments and resist corrosion over time. The 3.0-inch mandrel-bent tubing ensures smooth exhaust flow with minimal restrictions, enhancing engine efficiency and throttle response. The turndown dump exit design not only eliminates the traditional over-axle tailpipe but also protects the exhaust from damage during off-road excursions by improving clearance and reducing the risk of snagging.

Every component is precision-engineered to fit the Jeep Wrangler JK’s factory mounting points, ensuring a secure and rattle-free installation without the need for modifications or custom fabrication.

Performance & Sound

The Outlaw Extreme system is tuned to produce a deep, aggressive exhaust tone that enhances the driving experience without overwhelming cabin noise. The Outlaw series muffler is specifically designed to balance sound quality with performance gains, providing a throaty growl under acceleration and a refined idle. By increasing exhaust flow with its large-diameter tubing and efficient muffler design, this system can contribute to improved engine breathing and responsiveness.

Installation & Fitment:

This cat-back exhaust system is designed for direct fitment on 2007–2018 Jeep Wrangler JK models equipped with 3.6L or 3.8L engines. Installation is straightforward, utilizing all factory mounting points and requiring no cutting or welding. The included hardware kit ensures a hassle-free setup, allowing enthusiasts to upgrade their exhaust system with confidence and minimal downtime.

What's Included:

• Outlaw series stainless steel muffler
• 3.0-inch mandrel-bent 409 stainless steel tubing
• Turndown style dump exit pipe
• Complete installation hardware kit
• Detailed installation instructions

Ideal For:

The Flowmaster Outlaw Extreme Cat-Back Exhaust System is ideal for Jeep Wrangler JK owners who want to enhance their vehicle’s sound and performance while maintaining or improving off-road capability. It suits daily drivers seeking a more aggressive exhaust note, as well as off-road enthusiasts who require improved ground clearance and durability from their exhaust system. This upgrade is perfect for those who demand quality construction, reliable fitment, and a distinctive exhaust tone without sacrificing functionality.

Flowmaster is an iconic exhaust brand famous for signature exhaust tone and performance mufflers, as well as complete axle-back and cat-back systems. Built for muscle cars, trucks, and performance builds, Flowmaster systems are designed to improve flow and deliver the sound character enthusiasts chase.