Direct Fit Catalytic Converter 2.5L for 2004-2005 STI, Forester & More

MagnaFlow Direct Fit Catalytic Converter 2.5L, made to fit the 2000-2005 Subaru Forester / 2004-2005 STI / 2004 Outback. MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 444043 helps keep the check engine light off.

Materials and Construction

DIY installation is easy with the proper tools (no cutting or welding required).

Fits These Vehicles

Features & Specs

• With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter.
• Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment.
• This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
• Brand: MagnaFlow
• Part number: MAG444043

What's Included

• The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation.

Straight from SubiSpeed

Check your state emissions requirements before ordering: some states require CARB-approved converters. Replace the O2 sensors and exhaust gaskets while the system is open if they are old.