MagnaFlow 458027 Catalytic Converter

California OBDII Direct-Fit Converter

MagnaFlow 458027 is a California Grade, CARB-compliant direct-fit catalytic converter for the 2004-2006 Jeep Wrangler. It is built for a bolt-on replacement on the listed Jeep Wrangler applications, with stainless steel construction and a ceramic substrate for OE-style exhaust function.

The MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS line focuses on vehicle-specific replacement parts that follow original equipment layout and emissions requirements. For this application, the spun-body design, mandrel-bent tubing, and laser fusion weld are used to support a precise fit and reduce leak points on the exhaust system.

Key Features

• Fits 2004-2006 Jeep Wrangler, N/A
• California Grade CARB-compliant replacement for listed vehicles
• Direct-fit, bolt-on inlet and outlet design
• Stainless steel body and tubing for corrosion resistance
• Ceramic substrate with heat shield attached
• Oxygen sensor location: post converter
• Includes hangers and clamp
• Interchanges with OE part 5205 9681AE
• Part number: 458027

Detailed Description

MagnaFlow 458027 is engineered for the 2004, 2005, and 2006 Jeep Wrangler with the listed LEV1 ULEV configurations and CARB Executive Order D-193-101. It is designed to replace the original converter using the factory-style mounting points and exhaust routing, helping maintain proper emissions system operation while preserving the OE spun-body layout. The stainless steel construction, aluminized steel heat shield, and compact low-mass design support durability and thermal efficiency in daily driving conditions.

This part cross-references OE part number 5205 9681AE for the same application. If you are searching for a 2004-2006 Jeep Wrangler catalytic converter replacement, MagnaFlow 458027 provides a direct-fit solution for the specified California and CARB-restricted state applications.

Common Problems This Part Addresses

• Check engine light caused by a failing catalytic converter
• Emissions test failure from a worn or restricted converter
• Exhaust leaks at the converter body or weld area
• Corrosion-related damage to the factory converter assembly
• Poor fitment from universal replacement parts

Installation Notes and Tips

This direct-fit catalytic converter installs with the proper tools and does not require cutting or welding. Verify the vehicle’s year, engine family, and CARB application details before installation. Because this unit uses bolt-on connections and included mounting components, it is suited to replacing corroded factory hardware on the specified Jeep Wrangler applications. Part number 458027 should be matched to the exact fitment listed for 2004-2006 Jeep Wrangler.

Quality Assurance

MagnaFlow uses 3D scanning and metrology during development to match original equipment dimensions and function. This converter is built to meet or exceed California Air Resources Board requirements for the listed vehicles and has been tested for CARB compliance in California and other CARB-restricted states.