MagnaFlow Cat-Back Exhaust System

2012–2017 Jeep Wrangler, 2018 Jeep Wrangler JK 3.6L V6

Part #: 19327

Overview

The MagnaFlow Cat-Back Exhaust System 19327 is expertly engineered to upgrade the exhaust performance and sound of Jeep Wrangler and Wrangler JK models equipped with the 3.6L V6 engine from 2012 through 2017, including the 2018 Wrangler JK. This system replaces the factory exhaust components from just behind the catalytic converter to the rear of the vehicle, delivering a distinctive, deep, and resonant exhaust tone that enhances both power and driving enjoyment.

Designed for Jeep enthusiasts who demand improved exhaust flow, a sportier sound, and a bold visual statement, this cat-back exhaust system balances aggressive performance gains with refined daily drivability. Its direct-fit design ensures seamless integration with your Jeep’s factory mounting points, making it an ideal upgrade for both on-road cruising and off-road adventures.

Key Features

Built with precision and durability in mind, the MagnaFlow 19327 Cat-Back Exhaust System offers advanced features that optimize exhaust flow and sound quality:

• Mandrel-bent 2.5-inch main piping to maximize exhaust flow and minimize restrictions
• Dual straight-through mufflers engineered to produce a deep, resonant tone without excessive drone
• Dual split rear exit pipes with four 4-inch black coated welded-on double wall angle cut folded edge tips for an aggressive, sleek appearance
• Direct-fit design developed using extensive 3D scanning for precise fitment and easy installation
• Durable corrosion-resistant stainless steel construction for long-lasting performance and appearance
• CNC precision robotic manufacturing ensures consistent quality and perfect fit
• Balanced exterior sound levels paired with mild interior cabin noise for a comfortable driving experience
• Backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty

Construction & Design

The MagnaFlow 19327 Cat-Back Exhaust System is crafted from premium stainless steel to resist corrosion and endure the demands of daily driving and rugged off-road conditions. Mandrel bending technology maintains a consistent pipe diameter throughout the system, reducing turbulence and enhancing exhaust flow efficiency. The dual straight-through mufflers are designed to deliver a sporty yet refined exhaust note, while the black coated welded-on tips provide a distinctive, aggressive look that complements the Jeep Wrangler’s rugged styling.

Manufactured with CNC precision robotic technology, each component meets exacting standards for fit and finish. This meticulous engineering ensures a flawless installation and elevates the visual appeal of your Jeep’s rear end.

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. Its design produces a powerful, resonant engine tone that is aggressive yet refined, delivering moderate exterior sound levels that attract attention without overwhelming the cabin. Inside the vehicle, the exhaust note remains mild, providing an enjoyable driving experience free from excessive drone during longer trips.

Installation & Fitment

This cat-back exhaust system features a direct bolt-on installation with no cutting, welding, or modifications required. Thanks to extensive 3D scanning during development, the components fit precisely to 2012–2017 Jeep Wrangler and 2018 Jeep Wrangler JK models equipped with the 3.6L V6 engine. Installation can typically be completed using basic hand tools, making it accessible for both experienced DIY enthusiasts and professional installers.

What's Included

• Mandrel bent 2.5-inch main piping
• Dual straight-through mufflers
• Dual split rear exit pipes
• Four 4-inch black coated welded-on double wall angle cut folded edge tips
• All necessary clamps and hardware for installation
• Detailed installation instructions

Ideal For

This MagnaFlow Cat-Back Exhaust System is perfect for Jeep Wrangler and Wrangler JK owners seeking to enhance their vehicle’s performance and sound without sacrificing daily comfort. It suits enthusiasts who appreciate a sporty exhaust note, improved exhaust flow, and a bold visual upgrade. Whether your Jeep is your daily driver, weekend adventure rig, or off-road companion, this system delivers reliable, dyno-proven performance and a distinctive style that complements the rugged character of your vehicle.

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.