Flowmaster Flow FX Extreme Cat-Back Exhaust System: Jeep Wrangler 2018-2026

Flowmaster Flow FX Extreme Cat-Back Exhaust System

2018–2026 Jeep Wrangler JL 3.6L

717966

Overview:

The Flowmaster Flow FX Extreme Cat-Back Exhaust System is engineered specifically for the Jeep Wrangler JL models from 2018 through 2026 equipped with the 3.6L engine. Designed for off-road enthusiasts and performance seekers alike, this exhaust system delivers a robust, aggressive sound while enhancing engine output. It is an ideal upgrade for Jeep owners looking to improve both the auditory experience and the performance of their vehicle without compromising durability or ground clearance.

This system replaces the factory exhaust with a high-flow design that optimizes exhaust gas flow, resulting in noticeable gains in horsepower and torque. The Flow FX Extreme muffler provides a deep, powerful tone that complements the rugged character of the Jeep Wrangler, making it perfect for daily driving and trail adventures.

Key Features:

Flowmaster’s Flow FX Extreme Cat-Back Exhaust System offers a range of benefits designed to enhance your Jeep Wrangler’s performance and sound:

• Precision-engineered for 2018–2026 Jeep Wrangler JL 3.6L models
• Flow FX series muffler delivers a deep, aggressive 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 extreme off-road conditions
• Increases rear-wheel horsepower by up to 12 hp and torque by up to 13 lb-ft
• Utilizes factory mounting points for straightforward installation
• Includes all necessary hardware for a complete bolt-on upgrade
• Backed by Flowmaster’s Lifetime Limited Warranty for peace of mind

Construction & Design:

The Flow FX Extreme system is constructed from premium 409 stainless steel, known for its excellent corrosion resistance and long-lasting durability in harsh environments. The 3.0-inch tubing is mandrel bent to maintain consistent diameter throughout bends, ensuring unrestricted exhaust flow and optimal performance. The muffler design balances sound quality with performance, producing a deep tone without excessive drone.

The innovative turndown dump exit replaces the traditional over-axle tailpipe, which not only enhances the Jeep’s aggressive styling but also significantly improves ground clearance and departure angle. This design consideration is especially beneficial for off-road enthusiasts who demand both performance and reliability in challenging terrain.

Performance & Sound

By optimizing exhaust flow, the Flow FX Extreme Cat-Back Exhaust System delivers measurable performance gains, with up to 12 horsepower and 13 lb-ft of torque added at the rear wheels. The Flow FX muffler produces a rich, throaty exhaust note that enhances the driving experience without overwhelming cabin noise. This system strikes an ideal balance between aggressive sound and everyday drivability, making it suitable for both street and trail use.

Installation & Fitment:

Designed to fit the Jeep Wrangler JL 3.6L models from 2018 to 2026, this cat-back exhaust system installs using factory mounting locations, requiring no cutting or welding. The included hardware ensures a secure, hassle-free installation that can typically be completed with basic hand tools. This bolt-on design allows Jeep owners to upgrade their exhaust system quickly and confidently without professional assistance.

What's Included:

• Flow FX Extreme stainless steel muffler
• 3.0-inch mandrel bent 409 stainless steel tubing
• Turndown style dump exit pipe
• All necessary mounting hardware and clamps
• Installation instructions

Ideal For:

This exhaust system is perfect for Jeep Wrangler JL owners who want to enhance their vehicle’s performance and sound while maintaining off-road capability. It suits daily drivers seeking a more aggressive exhaust tone, as well as off-road enthusiasts who require improved ground clearance and durability. The Flow FX Extreme is also an excellent choice for those looking to upgrade their exhaust with a high-quality, long-lasting system backed by a trusted brand.