Product details

Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23257. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 23257 includes (1) O2 Port Plug, (1) Torca Clamp and interchanges with OE parts 4581 700AB, 4581 700AH, 4581 700AI, 4581 702AF, 4581 702AG, 4581 704AB, 4581 704AD, 4581 704AE, 4581 706AF, 4581 706AG, 4581 726AA, 4581 728AB, 4581 730AA, 4581 730AD, 4581 730AE, 4581 732AA, 4581 732AB, 4581 734AA, 4581 734AB, 4581 736AA. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems. Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23257. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 1998-2004 Dodge Intrepid, 1999-2004 Chrysler 300M, and more, this direct-fit catalytic converter also interchanges with OE parts 4581 700AJ and 4581 704AJ, among others. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems. Magnaflow HM Grade Direct-Fit Catalytic Converter HM Grade Direct-Fit Catalytic Converter

Manufacturer fitment & guides

Check 23257 against the manufacturer’s application information below.

• MagnaFlow manufacturer exhaust application catalog ↗

Part-specific notes

• Not CARB approved. Destination and intended-use restrictions must be checked before sale.
• Emissions acknowledgement required before purchase.