Performance Overview

The Magnaflow OEM Grade Catalytic Converters are the perfect replacement for your stock converter. They are crafted from high-quality stainless or aluminized steel for maximum durability. They are seam-welded for unbreakable bonds with no risk of vibrations. The catalytic converters are available with a lap inserted in the point where the neck meets the catalytic converter body. The neck is carefully formed to be sure that it doesn't reach the body where it can cause trouble to the exhaust flow. As an additional safety feature, the Catalytic Converter has a heavy duty heat shield to protect it against extreme heat and give additional stability.

Key Features

• Brand: MagnaFlow
• Part number: 51644
• Product type: Direct Fit OEM Grade Catalytic Converter
• Designed for compatible vehicle applications listed on this page

Vehicle Fitment

• 1997 Audi A4, Note: Base; 1.8L
• 1998 Audi A4, Note: Base; 1.8L
• 1999 Audi A4, Note: Base; 1.8L
• 2000 Audi A4, Note: Base; 1.8L
• 2001 Audi A4, Note: Base; 1.8L
• 2002 Audi A4, Note: Base; 1.8L
• 2003 Audi A4, Note: Base; 1.8L
• 2004 Audi A4, Note: Base; 1.8L

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 51644.

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

• Direct Fit OEM Grade Catalytic Converter for Audi A4
• 51644 fitment
• MagnaFlow Direct Fit OEM Grade Catalytic Converter
• 1997 Audi A4 Direct Fit OEM Grade Catalytic Converter

Vehicle Fitment Table