Performance Overview

Magnaflow's California Catalytic Converter is designed to be CARB compliant. The catalytic converter's ribbed body is designed to minimize distortion and expansion of the body to hold the ceramic catalyst in place. Magnaflow's Catalytic Converters are made of stainless steel and are backed by their limited lifetime warranty.

Key Features

• Brand: MagnaFlow
• Part number: 5421911
• Product type: California Direct Fit Catalytic Converter
• Designed for compatible vehicle applications listed on this page

Vehicle Fitment

• 2012 Buick Lacrosse, Note: Base, Convenience, Leather, Premium; 2.4L
• 2013 Buick Lacrosse, Note: Base, Leather; 2.4L
• 2014 Buick Lacrosse, Note: Base, Leather; 2.4L
• 2015 Buick Lacrosse, Note: Base, Leather; 2.4L
• 2016 Buick Lacrosse, Note: Base, Leather; 2.4L
• 2012 Buick Regal, Note: Base, Premium; 2.4L
• 2013 Buick Regal, Note: Base, Premium; 2.4L
• 2014 Buick Regal, Note: Base, Premium; 2.4L

FAQ

Will this fit my vehicle?
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

What part number is this?
The listed part number is 5421911.

Is this product designed for direct replacement?
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

Should I confirm fitment before ordering?
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

Common Searches

• California Direct Fit Catalytic Converter for Buick Lacrosse
• 5421911 fitment
• MagnaFlow California Direct Fit Catalytic Converter
• 2012 Buick Lacrosse California Direct Fit Catalytic Converter

Vehicle Fitment Table