MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5421012 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). 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. Designed to fit the 2008-2014 Subaru Impreza and 2015-2016 Subaru WRX STI, this direct-fit catalytic converter also interchanges with OE part 44611AA250. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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.

Features

California/CARB Compliant

Extensive testing and certification processes are followed to guarantee that 5421012 meets emissions standards set by CARB (California Air Resources Board). This catalytic converter is also compliant in states adhering to these standards.

Direct-Fit Installation

State-Of-the-Art 3D scanning is used to ensure this direct-fit catalytic converter perfectly fits your vehicle, enabling do-it-yourself installation. All required hardware is included.

Clamshell Design

Durable stainless-steel construction, mandrel bent piping, precisely manufactured flared receivers, OEM-like O2 port locations and integrated butt joints make installation easy while guaranteeing optimal performance. The clamshell design features a continuous seam weld that ensures superior thermal insulation.

CARB Grade

Catalytic converter 5421012 is designed to meet California emissions standards, as well of those of other CARB-regulated states.