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The MagnaFlow OEM Grade manifold catalytic converter replaces the factory manifold section to help keep the check engine light off. Crafted with high-strength stainless tubing and precision fit hardware, it replicates OE flow characteristics and includes bolts, nuts, flange gasket and washers to reduce leak risk. Designed for specific BMW 3-series applications listed by model years and OE interchanges to ensure a direct-fit replacement.
MagnaFlow Direct Fit Catalytic Converter BMW 3 06-09 Front OEM
