Flowmaster Outlaw Extreme Cat-Back Exhaust System

2018–2026 Jeep Wrangler JL 3.6L

818108

Overview:

The Flowmaster Outlaw Extreme Cat-Back Exhaust System is engineered specifically for the 2018–2026 Jeep Wrangler JL equipped with the 3.6L engine. Designed for Jeep enthusiasts who demand a robust exhaust upgrade, this system delivers a deep, aggressive tone while enhancing overall vehicle performance. Ideal for both 2-door and 4-door Wrangler models, it combines rugged durability with improved off-road capability.

This cat-back system replaces the factory exhaust from the catalytic converter back, providing increased exhaust flow and a more commanding sound without compromising drivability. It is perfect for Jeep owners looking to elevate their vehicle’s presence on and off the road.

Key Features:

The Outlaw Extreme Cat-Back Exhaust System incorporates advanced design elements to maximize performance and durability:

• Outlaw series muffler delivering a deep, powerful exhaust note
• 3.0-inch mandrel-bent 409 stainless steel tubing for optimal flow and strength
• Turndown-style dump exit located immediately after the muffler
• Eliminates the traditional over-axle tailpipe to improve ground clearance and departure angle
• Utilizes factory mounting points for straightforward installation
• Includes all necessary hardware for a complete fitment
• Compatible with both 2-door and 4-door Jeep Wrangler JL models
• Backed by Flowmaster’s Lifetime Limited Warranty for long-term peace of mind

Construction & Design:

Built from premium 409 stainless steel, the Outlaw Extreme system offers excellent corrosion resistance and long-lasting durability, even under harsh off-road conditions. The 3.0-inch tubing is mandrel bent to maintain consistent diameter throughout bends, ensuring unrestricted exhaust flow and minimizing backpressure.

The turndown-style dump exit is strategically positioned right after the muffler, replacing the conventional tailpipe routed over the axle. This innovative design enhances ground clearance and departure angle, critical for extreme off-road driving scenarios where obstacles and uneven terrain are common.

Performance & Sound

This exhaust system is engineered to improve exhaust scavenging, which can contribute to better throttle response and a slight increase in horsepower. The Outlaw series muffler produces a deep, aggressive tone that is unmistakable yet refined enough for daily driving. It provides a commanding presence without excessive drone or harshness inside the cabin.

Installation & Fitment:

The Flowmaster Outlaw Extreme Cat-Back Exhaust System is designed for a direct bolt-on installation using existing factory mounting points. No cutting, welding, or additional modifications are required, making it a straightforward upgrade for Jeep Wrangler JL owners. The system fits all 2018 through 2026 Jeep Wrangler JL models equipped with the 3.6L V6 engine, including both 2-door and 4-door configurations.

What's Included:

• Outlaw Extreme muffler
• 3.0-inch mandrel bent 409 stainless steel tubing
• Turndown-style dump exit
• All necessary mounting hardware
• Installation instructions

Ideal For:

This exhaust system is ideal for Jeep Wrangler JL owners seeking a durable, performance-oriented upgrade that enhances sound and off-road capability. It suits enthusiasts who frequently tackle challenging terrain and want improved ground clearance without sacrificing exhaust tone or reliability. Additionally, it appeals to those who desire a hassle-free installation with factory-fit precision.

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.