MagnaFlow Conv DF 06-09 Cadillac STS 4.4L Passenger Side

When your 2006-2009 Cadillac STS 4.4L is showing a check engine light related to emissions, replacing the catalytic converter is often the solution. This direct-fit manifold catalytic converter from Magnaflow is designed to get your car running cleanly again, meeting Federal emissions requirements set forth by the EPA. It's built to function just like the original equipment, ensuring your car continues to perform efficiently and maintain factory fuel economy.

Magnaflow uses advanced 3D scanning during their design process to ensure this converter fits precisely and integrates seamlessly with your STS's exhaust system. The construction features corrosion-resistant stainless steel tubing, specifically 16-gauge 409 stainless steel for the main body and durable 308 stainless steel for the MIG welds, which helps ensure a long service life. The tubing is mandrel-bent to maintain smooth airflow, preventing restrictions that can impact performance. A single laser fusion weld is used to greatly reduce the chance of leaks, and its compact, low-mass design helps with thermal efficiency.

This converter is designed for an easy installation with the proper tools, as no cutting or welding is required. Magnaflow includes the necessary hardware, such as eight bolts and a donut gasket, so you won't have to reuse old, potentially corroded parts. This part is EPA-compliant for Federal emissions systems but is not CARB approved and cannot be shipped to California.