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The MagnaFlow HM Grade direct-fit catalytic converter for 2001–2003 Audi S8 is an EPA-compliant replacement that helps keep the check engine light off while matching OE fit and flow. Its spun-body replication and low-mass design support reliable thermal performance. Made with mandrel-bent tubing and corrosion-resistant stainless steel, the unit preserves exhaust dynamics and resists corrosion. The package includes necessary hardware for a straightforward, no-cut, no-weld installation.
MagnaFlow Conv DF 01-03 Audi S8 4.2L Driver Side
