Flowmaster Force II Cat-Back Exhaust System

1997–1999 Jeep Wrangler TJ 2.5L & 4.0L Engine

817493

Overview:

The Flowmaster Force II Cat-Back Exhaust System is engineered specifically for the 1997 to 1999 Jeep Wrangler TJ models equipped with either the 2.5L or 4.0L engine. Designed for Jeep enthusiasts seeking a subtle yet refined upgrade, this system delivers a mild custom sound and improved performance without overwhelming noise. It offers the perfect balance between everyday drivability and enhanced exhaust tone, making it an excellent choice for those who want to maintain a factory-like appearance while enjoying the benefits of a premium aftermarket exhaust.

With Flowmaster’s reputation for quality and durability, the Force II system enhances throttle response, power output, and fuel efficiency, providing a noticeable improvement over the stock exhaust. Its design ensures a straightforward installation using existing factory hanger locations, allowing Jeep owners to upgrade their exhaust system quickly and with minimal hassle.

Key Features:

This cat-back exhaust system combines performance, style, and ease of installation. Key features include:

• Precision 2.50-inch mandrel-bent stainless steel tubing for optimal exhaust flow and durability
• 60 Series Flowmaster performance muffler delivering a mild interior tone with a moderate exterior sound
• Brushed stainless steel 2.50-inch exhaust tip for a clean, polished finish
• Utilizes factory hanger locations for a secure, no-modification installation
• Improves throttle response, horsepower, and fuel mileage compared to stock exhaust
• Includes all necessary hardware and components for a complete installation
• Backed by Flowmaster’s Lifetime Limited Warranty for long-term peace of mind

Construction & Design:

The Flowmaster Force II system is crafted from high-quality stainless steel tubing that resists corrosion and withstands the rigors of off-road and daily driving conditions. The mandrel-bent tubing ensures smooth bends that maintain consistent diameter throughout, reducing exhaust flow restrictions and enhancing performance. The 60 Series muffler is engineered to provide a balanced sound profile—mild enough for daily driving yet aggressive enough to satisfy enthusiasts.

The system’s brushed stainless steel tip adds a subtle custom look that complements the rugged styling of the Jeep Wrangler without drawing excessive attention. Every component is precision-engineered to fit perfectly with the Jeep’s factory exhaust layout, ensuring durability and longevity.

Performance & Sound

The Force II cat-back exhaust system enhances your Jeep Wrangler’s performance by improving exhaust flow, which in turn increases throttle response and can contribute to better fuel efficiency. The 60 Series muffler produces a mild interior sound that reduces cabin drone while delivering a moderate, refined exterior tone that enhances the Jeep’s presence on the road. This system is ideal for drivers who want an upgraded exhaust note without excessive noise or harshness.

Installation & Fitment:

Installation is straightforward and designed to fit the 1997–1999 Jeep Wrangler TJ models with 2.5L or 4.0L engines. The system mounts using the factory hanger locations, eliminating the need for cutting, welding, or additional modifications. All necessary hardware and components are included to facilitate a quick and hassle-free installation, making it accessible for both professional installers and experienced DIY enthusiasts.

What's Included:

• 2.50-inch mandrel-bent stainless steel tubing
• 60 Series Flowmaster performance muffler
• 2.50-inch brushed stainless steel exhaust tip
• All required mounting hardware and clamps
• Installation instructions

Ideal For:

This Flowmaster Force II Cat-Back Exhaust System is ideal for Jeep Wrangler TJ owners who want to enhance their vehicle’s performance and sound with a subtle, factory-friendly upgrade. It suits daily drivers, weekend adventurers, and off-road enthusiasts who appreciate quality construction, improved throttle response, and a mild custom exhaust tone without excessive noise or complexity.

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.