Performance Overview

The Direct Fit Catalytic Converter is designed with a ribbed body that can reduce expansion and distortion when the converters heat up. These ribs holds the ceramic catalyst in a proper position and it also forms a channel that shields the cushioning mat from direct exposure to exhaust gases. The ceramic coating is made for maximum surface area and flow, and the coating method is strictly controlled so that exact

Key Features

• Brand: MagnaFlow
• Part number: 23121
• Product type: Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD)
• Designed for compatible vehicle applications listed on this page

Vehicle Fitment

• 1987 Cadillac Allante, Note: Base; 4.1L; 2.50"; 2.50"
• 1988 Cadillac Allante, Note: Base; 4.1L; 2.50"; 2.50"
• 1988 Cadillac Eldorado, Note: Base, Biarritz; 4.5L; 2.50"; 2.50"
• 1989 Cadillac Eldorado, Note: Base, Biarritz; 4.5L; 2.50"; 2.50"
• 1988 Cadillac Seville, Note: Base, Sts; 4.5L; 2.50"; 2.50"
• 1989 Cadillac Seville, Note: Base, Sts; 4.5L; 2.50"; 2.50"

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 23121.

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 Standard Catalytic Converter (2.5" ID/2.5" OD) for Cadillac Allante
• 23121 fitment
• MagnaFlow Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD)
• 1987 Cadillac Allante Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD)

Vehicle Fitment Table