MagnaFlow Street Series Cat-Back Exhaust System

2004–2006 Jeep Wrangler TJ Unlimited 4.0L I6

Part #: 16695

Overview

The MagnaFlow Street Series Cat-Back Exhaust System is engineered specifically for the 2004 to 2006 Jeep Wrangler TJ Unlimited equipped with the 4.0L inline-six engine. This high-quality stainless steel exhaust upgrade is designed to enhance your Jeep’s performance and deliver a distinctive, resonant exhaust tone that complements the rugged nature of the Wrangler. It offers a perfect balance of power gains, durability, and an aggressive yet controlled sound suitable for daily driving and off-road adventures.

Ideal for Jeep enthusiasts seeking improved throttle response and a more engaging driving experience, this cat-back system replaces the factory exhaust components from the catalytic converter rearward with a direct-fit design that requires no modifications. The MagnaFlow Street Series exhaust transforms your Wrangler’s exhaust flow and style while maintaining moderate exterior sound levels and a comfortable interior noise environment.

Key Features

Combining advanced manufacturing techniques with performance-driven design, the MagnaFlow Street Series Cat-Back Exhaust System offers the following key features:

• Mandrel-bent 2.5-inch main piping for optimal exhaust flow and reduced restrictions
• Single straight-through muffler that balances sound quality with performance
• Polished 2.75-inch welded-on single wall turndown cut edge tips for a clean, aggressive finish
• Passenger side rear exit for authentic Jeep styling and enhanced sound projection
• Cat-back layout replacing all components from the catalytic converter rearward
• Durable corrosion-resistant stainless steel construction for long-lasting performance
• Precision CNC robotic manufacturing ensuring consistent quality and exact fitment
• Dyno-proven performance gains for improved throttle response and exhaust efficiency
• Moderate exterior sound with mild interior noise levels, suitable for daily driving
• Backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty

Construction & Design

Crafted from premium stainless steel, the MagnaFlow Street Series Cat-Back Exhaust System is built to withstand harsh environments and resist corrosion over time. The mandrel-bent tubing preserves the integrity of the exhaust path by preventing kinks and maintaining smooth flow, which is critical for maximizing engine efficiency.

Manufactured using CNC precision robotic techniques, each component is engineered for exact fitment and consistent quality, ensuring a hassle-free installation and reliable performance. The polished welded-on tips not only enhance the visual appeal but also provide a durable, clean-cut edge that resists discoloration and wear, reflecting MagnaFlow’s commitment to both style and function.

Performance & Sound

This cat-back exhaust system improves your Jeep Wrangler’s exhaust flow, resulting in enhanced engine efficiency and more responsive throttle performance. The straight-through muffler design produces a deep, resonant tone that is powerful yet controlled, avoiding excessive cabin noise while delivering an aggressive exhaust note that turns heads.

The system strikes an ideal balance with moderate exterior sound levels, making your Jeep stand out without overwhelming the driving experience. Whether cruising on highways or tackling off-road trails, the MagnaFlow Street Series exhaust adds an engaging auditory dimension to your ride.

Installation & Fitment

Designed with a direct-fit approach, this exhaust system installs easily on 2004 to 2006 Jeep Wrangler TJ Unlimited models equipped with the 4.0L inline-six engine. Extensive 3D scanning during development ensures all components align precisely with factory mounting points, eliminating the need for cutting, welding, or additional modifications.

Most installations can be completed with basic hand tools and mechanical knowledge, making it accessible for DIY enthusiasts. The cat-back layout replaces the exhaust from the catalytic converter rearward, maintaining factory emissions compliance and vehicle integrity.

What's Included

• Mandrel-bent 2.5-inch stainless steel main piping
• Single straight-through muffler
• Polished 2.75-inch welded-on single wall turndown cut edge tips
• All necessary clamps and hardware for installation
• Detailed installation instructions

Ideal For

This MagnaFlow Street Series Cat-Back Exhaust System is perfect for Jeep Wrangler TJ Unlimited owners who want to enhance their vehicle’s performance and sound without compromising daily drivability or requiring complex installation. It suits enthusiasts looking for a durable, high-quality exhaust upgrade that delivers a sporty tone and improved exhaust flow while maintaining a refined balance of noise and power.

MagnaFlow is a performance exhaust manufacturer best known for cat‑back and axle‑back systems, mufflers, and catalytic converters engineered for quality sound and improved flow. Their vehicle-specific exhaust options span muscle, import, and truck applications—making MagnaFlow a staple upgrade when you want a deeper tone, cleaner fitment, and a proven performance-focused exhaust setup.