MagnaFlow Catalytic Converter Direct Fit Subaru WRX 10-14 / STI 08-14 | 5421012

Product Fitment:

2010-2014 Subaru WRX

2008-2014 Subaru STI

Restore your vehicle’s emissions performance and keep your check engine light off with the MagnaFlow California Grade CARB Compliant Catalytic Converter (Part #5421012). Designed as a direct-fit OEM replacement, this high-quality converter features stainless steel construction, mandrel-bent tubing, and no cutting or welding required—making it ideal for DIY installation.

This unit is engineered to meet California Air Resources Board (CARB) standards, making it fully legal for use in California and CARB-restricted states. It includes gaskets and hardware to ensure a secure, leak-free seal and proper installation.

Key Features:

• CARB Compliant – Meets strict emissions regulations for legal use in CA and other CARB-regulated states

• Direct-Fit Design – Bolt-on replacement with no cutting or welding required

• Mandrel-Bent Tubing – Eliminates flow restrictions to maximize exhaust efficiency

• Durable Stainless Steel Construction – Resists corrosion for long-lasting performance

• Precision Fitment – Designed using advanced 3D scanning for OEM-like fit and function

• Leak-Free Installation – Includes necessary gaskets and hardware for a secure seal

Specifications:

• Series: California

• Body Material: Stainless Steel

• Body Type: Clam-Shell

• Inlet/Outlet Type: Bolt-On

• Hardware Kit: Included

• Donut Gasket & Flange Gasket: Included

• Hangers: Included

• Clamps: Not Included