Magnaflow Conv DF OEM Underbody Exhaust

2012–2019 Jeep Grand Cherokee

21-578

Overview:

The Magnaflow Conv DF OEM Underbody Exhaust catalytic converter is a direct-fit replacement designed specifically for the 2012–2019 Jeep Grand Cherokee. Engineered to meet or exceed Federal emissions standards, this OEM-grade converter ensures your vehicle remains compliant while maintaining optimal engine performance. Ideal for Jeep owners seeking a reliable, long-lasting catalytic converter that fits precisely without the need for cutting or welding, this part helps keep your check engine light off and your exhaust system functioning smoothly.

Crafted with precision using advanced 3D scanning technology, this converter replicates the original equipment’s fit and flow characteristics, preserving factory fuel economy and emissions control. Whether you are performing a repair or upgrading your exhaust system, this Magnaflow catalytic converter offers a hassle-free installation and dependable performance.

Key Features:

Designed with quality and compliance in mind, the Magnaflow Conv DF OEM catalytic converter offers the following key features:

• Federal/EPA compliant, ensuring legal emissions standards for OBDII vehicles
• Direct-fit design for 2012–2019 Jeep Grand Cherokee models, including SRT and SRT8 variants
• Mandrel-bent tubing to eliminate flow restrictions and maintain OEM-like exhaust geometry
• Constructed from high-strength 16 gauge 409 stainless steel tubing for superior corrosion resistance
• Durable 308 stainless steel MIG welds for enhanced structural integrity
• Engineered using state-of-the-art 3D scanning for precise fit and function
• Maintains factory performance and fuel efficiency by replicating OEM flow dynamics
• Includes essential gaskets and hardware for simplified installation
• Interchanges with OE parts 5181 677AI and 5181 677AC

Construction & Design:

This catalytic converter is expertly crafted from premium 16 gauge 409 stainless steel tubing, known for its excellent resistance to corrosion and heat. The mandrel-bent tubing preserves the original exhaust system’s geometry, ensuring smooth exhaust flow without restrictions. High-quality 308 stainless steel MIG welds provide durable, long-lasting joints that withstand the rigors of daily driving and harsh environmental conditions.

Using advanced 3D scanning and metrology techniques, Magnaflow’s engineering team ensures that this converter fits precisely in place of the original equipment, eliminating the need for modifications. This attention to detail guarantees a seamless integration with your Jeep Grand Cherokee’s underbody exhaust system.

Installation & Fitment:

The Magnaflow Conv DF OEM catalytic converter is designed for a straightforward, DIY-friendly installation. It fits directly into the factory exhaust system without requiring cutting, welding, or additional fabrication. Essential gaskets and hardware are included to facilitate a secure and leak-free connection. This converter is compatible with Jeep Grand Cherokee models from 2012 through 2019, including the SRT (2014–2019) and SRT8 (2012–2013) trims.

What's Included:

• Magnaflow direct-fit catalytic converter
• Essential gaskets for installation
• Mounting hardware
• Installation instructions

Ideal For:

This catalytic converter is ideal for Jeep Grand Cherokee owners who need a reliable, EPA-compliant replacement part that maintains factory emissions performance. It is perfect for those performing routine exhaust repairs or seeking to restore their vehicle’s emissions system to OEM standards without compromising fuel economy or engine efficiency.

Emissions Note

This part is Federal/EPA compliant and designed to meet or exceed emissions requirements for OBDII federally registered vehicles. It is suitable for vehicles with California or Federal/EPA emission systems, ensuring legal compliance and environmental responsibility.

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.