MagnaFlow Off-Road Pro Series Cat-Back Exhaust System

2007–2011 Jeep Wrangler 3.8L V6

Part #: 17120

Overview

The MagnaFlow Off-Road Pro Series Cat-Back Exhaust System is purpose-built for the 2007 to 2011 Jeep Wrangler equipped with the 3.8L V6 engine. Designed to enhance your Jeep’s off-road performance and sound, this system delivers MagnaFlow’s signature deep, aggressive exhaust tone while improving ground clearance through a weight-optimized layout. It replaces the entire exhaust from the catalytic converter back with a direct-fit design, ensuring a seamless installation without the need for modifications.

Ideal for Jeep enthusiasts who demand durability, improved throttle response, and a commanding exhaust note, this system balances performance, reliability, and style. Whether navigating rugged trails or cruising on the highway, the MagnaFlow 17120 exhaust system is engineered to meet the unique demands of the Jeep Wrangler chassis and off-road conditions.

Key Features

Combining advanced engineering with premium materials, the MagnaFlow Off-Road Pro Series exhaust system offers superior performance and long-lasting durability. Key features include:

• Direct-fit design developed using extensive 3D scanning for precise undercarriage clearance
• 2.5-inch diameter mandrel-bent stainless steel piping for optimal exhaust flow
• Single straight-through muffler design to reduce backpressure and enhance power delivery
• 3-inch satin finish clamp-on single-wall turndown cut edge tips for a clean, aggressive appearance
• Corrosion-resistant stainless steel construction for extended durability in harsh environments
• Weight-optimized layout engineered to closely hug the vehicle’s undercarriage, improving ground clearance
• Dyno-tested to ensure measurable performance gains and superior sound quality
• Emissions-legal cat-back design compliant with regulations
• Manufactured using advanced CNC precision robotic techniques for consistent quality and fit
• Backed by MagnaFlow’s limited lifetime warranty for peace of mind

Construction & Design

Crafted from 100% stainless steel, the MagnaFlow 17120 exhaust system offers exceptional resistance to rust and corrosion, essential for off-road vehicles exposed to mud, water, and rough terrain. The mandrel-bent tubing maintains a consistent diameter through bends, ensuring smooth exhaust flow and minimizing restrictions that can hinder performance.

The system’s design hugs the Jeep Wrangler’s undercarriage closely, reducing the risk of damage during off-road excursions and improving ground clearance. Precision robotic manufacturing guarantees tight tolerances and a perfect fit every time, making this exhaust system a durable and reliable upgrade.

Performance & Sound

This cat-back exhaust system is engineered to produce a deep, throaty, and aggressive exterior sound that Jeep enthusiasts appreciate. The straight-through muffler design reduces backpressure, which can improve throttle response and overall engine efficiency. The 3-inch turndown tips not only enhance the visual appeal but also project the signature MagnaFlow exhaust tone with clarity and depth, delivering a commanding presence on and off the trail.

Installation & Fitment

The MagnaFlow 17120 exhaust system features a direct-fit design developed through extensive 3D scanning of the Jeep Wrangler’s undercarriage. This ensures precise fitment with no modifications required, allowing for a straightforward, do-it-yourself installation. The system replaces all exhaust components from the catalytic converter back, providing a comprehensive upgrade to your Jeep’s exhaust setup.

This exhaust system is compatible with the following Jeep Wrangler models:

• Jeep Wrangler 70th Anniversary (2011)
• Jeep Wrangler Rubicon (2007–2011)
• Jeep Wrangler Sahara (2007–2011)
• Jeep Wrangler Sport (2010–2011)
• Jeep Wrangler Unlimited 70th Anniversary (2011)
• Jeep Wrangler Unlimited Rubicon (2007–2011)
• Jeep Wrangler Unlimited Sahara (2007–2011)
• Jeep Wrangler Unlimited Sport (2010–2011)
• Jeep Wrangler Unlimited X (2007–2010)
• Jeep Wrangler X (2007–2010)

What's Included

• 2.5-inch diameter mandrel-bent stainless steel main piping
• Single straight-through muffler
• 3-inch satin clamp-on single-wall turndown cut edge tips
• All necessary clamps and hardware for installation
• Detailed installation instructions

Ideal For

This exhaust system is perfect for Jeep Wrangler owners seeking to enhance their vehicle’s off-road performance and sound without sacrificing durability or ground clearance. It is well-suited for enthusiasts who desire a deep, aggressive exhaust note and a high-quality stainless steel system capable of withstanding the rigors of trail driving and daily use. The MagnaFlow Off-Road Pro Series Cat-Back Exhaust System offers a direct-fit, emissions-legal upgrade that delivers both style and substance for your Jeep Wrangler 3.8L V6.

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.