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The MagnaFlow OEM-grade manifold catalytic converter for 2006–2009 Cadillac STS 4.4L restores emissions compliance by replicating the original equipment design. This direct-fit, Federal/EPA-compliant unit installs without cutting or welding and includes gaskets, hardware and mounting bolts for a complete replacement. Constructed with mandrel-bent tubing and corrosion-resistant stainless steel, its single laser fusion weld reduces leak risk while promoting thermal efficiency.
MagnaFlow Direct Fit Catalytic Converter 06-09 Cadillac STS 4.4L D/S Manifold (49 State)
