MagnaFlow Street Series Cat-Back Exhaust System

Jeep Grand Cherokee 11-14 5.7L/3.6L

Part #: 16991

Overview

The MagnaFlow Street Series Cat-Back Exhaust System is engineered specifically for the 2011 to 2014 Jeep Grand Cherokee equipped with the 3.6L V6 engine. This exhaust system is designed to enhance your vehicle’s personality by delivering a deep, resonant engine tone that balances power and refinement. It is ideal for Jeep enthusiasts who want an aggressive yet manageable sound paired with improved exhaust flow and everyday drivability.

Replacing the factory exhaust components from just behind the catalytic converter to the rear of the vehicle, this cat-back system offers a direct-fit installation with no modifications required. It provides a perfect upgrade for those seeking enhanced performance and style without compromising reliability or comfort.

Key Features

Built with precision and performance in mind, the MagnaFlow Street Series Cat-Back Exhaust System includes:

• Mandrel-bent 2.5-inch main piping for optimal exhaust flow and minimal restriction
• Three straight-through mufflers designed to reduce backpressure and enhance sound quality
• Single straight passenger side rear exit for a clean, aggressive appearance
• 4-inch polished welded-on double wall angle cut rolled edge exhaust tips for a premium finish
• Direct-fit design developed using extensive 3D scanning for easy installation
• Durable corrosion-resistant stainless steel construction for long-lasting performance
• CNC precision robotic manufacturing ensures consistent quality and fitment
• Backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty

Construction & Design

This exhaust system is crafted from high-grade stainless steel, providing excellent resistance to rust and corrosion to ensure durability in various driving conditions. The mandrel-bent tubing maintains a smooth interior diameter throughout bends, preventing flow restrictions and maximizing exhaust efficiency.

The welded-on double wall tips not only enhance durability but also add a refined aesthetic touch to the rear of your Jeep Grand Cherokee. Manufactured using advanced CNC robotic technology, each component is precisely fabricated to guarantee a perfect fit and finish. Extensive 3D scanning of the vehicle’s undercarriage was used during the design process to ensure a seamless installation experience without the need for cutting or welding.

Performance & Sound

The MagnaFlow Street Series Cat-Back Exhaust System is dyno-proven to improve exhaust flow, contributing to enhanced throttle response and overall engine efficiency. It produces a signature resonant and powerful engine tone that is sporty yet refined, striking an ideal balance between aggressive sound and daily comfort. Expect moderate exterior sound levels that attract attention without overwhelming cabin noise, making it suitable for spirited driving as well as everyday use.

Installation & Fitment

This cat-back exhaust system is designed for direct bolt-on installation on Jeep Grand Cherokee models from 2011 through 2014, including Laredo, Limited, Overland, and Overland Summit trims. It replaces the factory exhaust components from just behind the catalytic converter to the rear exit. Thanks to precise fitment achieved through 3D scanning and CNC manufacturing, installation is straightforward and can typically be completed with basic hand tools, requiring no cutting or welding.

What's Included

• Mandrel-bent 2.5-inch stainless steel main piping
• Three straight-through mufflers
• Single straight passenger side rear exit pipe
• 4-inch polished welded-on double wall angle cut rolled edge exhaust tips
• All necessary clamps and hardware for installation

Ideal For

This MagnaFlow Street Series Cat-Back Exhaust System is ideal for Jeep Grand Cherokee owners who want to enhance their vehicle’s performance and sound without sacrificing daily drivability. It suits enthusiasts seeking a durable, high-quality exhaust upgrade that delivers a sporty tone and improved exhaust flow, perfect for street driving and light performance applications.

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.