MagnaFlow Off-Road Pro Series Cat-Back Exhaust System

2007–2011 Jeep Wrangler 3.8L

17120

Overview:

The MagnaFlow Off-Road Pro Series Cat-Back Exhaust System is engineered specifically for the 2007 to 2011 Jeep Wrangler equipped with the 3.8L engine. Designed to enhance your Jeep’s off-road capabilities, this exhaust system delivers MagnaFlow’s signature deep and aggressive exhaust tone while improving ground clearance with a weight-optimized layout. Built for Jeep enthusiasts who demand durability, performance, and a commanding sound, this system replaces the entire exhaust from the catalytic converter back with a direct-fit design that ensures a straightforward installation.

Whether you’re tackling rugged trails or cruising on the highway, the MagnaFlow 17120 exhaust system offers a perfect balance of performance, sound, and reliability tailored to the Jeep Wrangler’s unique chassis and off-road demands.

Key Features:

This exhaust system combines advanced engineering and premium materials to deliver superior performance and 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 look
• Corrosion-resistant stainless steel construction for long-lasting durability
• Weight-optimized layout engineered to closely hug the vehicle’s undercarriage, improving ground clearance
• Dyno-tested to ensure performance gains and sound quality
• Emissions-legal cat-back design compliant with regulations
• Manufactured using advanced CNC precision robotic techniques for consistent quality
• Backed by MagnaFlow’s limited lifetime warranty for peace of mind

Construction & Design:

The MagnaFlow 17120 exhaust system is crafted from 100% stainless steel, providing exceptional resistance to rust and corrosion, which is essential for off-road vehicles exposed to harsh environments. The mandrel-bent tubing maintains a consistent diameter throughout bends, ensuring smooth exhaust flow and minimizing restrictions. 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.

Performance & Sound

This cat-back exhaust system is engineered to produce a very aggressive exterior sound and an aggressive interior tone, delivering the deep, throaty exhaust note that Jeep enthusiasts desire. The straight-through muffler design reduces backpressure, which can contribute to improved throttle response and overall engine efficiency. The 3-inch turndown tips not only enhance the visual appeal but also help project the signature MagnaFlow exhaust sound with clarity and depth.

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 a precise fitment that requires no modifications, allowing for a straightforward, do-it-yourself installation. The system replaces all exhaust components from the catalytic converter back, making it a comprehensive upgrade for your Jeep’s exhaust setup.

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 ideal for Jeep Wrangler owners who want to enhance their vehicle’s off-road performance and sound without compromising durability or ground clearance. It suits enthusiasts who prefer a deep, aggressive exhaust note and a high-quality stainless steel system that can withstand the rigors of trail driving and daily use. Perfect for those looking to upgrade their factory exhaust with a direct-fit, emissions-legal cat-back system that delivers both style and substance.

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.