The aFe POWER direct-fit catalytic converter is made for 2001–2006 BMW M3 (E46) with the S54 3.2L engine and is a 409 stainless steel direct-fit system. Offered as an EPA-compliant assembly, it features 100% MIG-welded stainless construction, integrated front and rear manifolds with catalytic converters (sold as a set where applicable), and includes gaskets for straightforward direct-fit installation.
aFe Direct Fit Catalytic Converter 01-06 BMW M3 (E46) L6 3.2L (S54)