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The aFe POWER direct-fit catalytic converter for 2005–2008 BMW Z4 M (E85/E86) with the S54 3.2L inline-six is constructed from 409 stainless steel with mandrel-bent tubing and 100% hand MIG welds. EPA‑compliant and designed to use factory mounting locations and OE-style flanges, it includes hardware for a bolt-on replacement and aims to restore catalytic function with direct-fit installation and durable construction.
aFe Direct Fit Catalytic Converter 05-08 BMW Z4 M Roadster/Coupe (E85/E86) L6 3.2L (S54)
