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The MagnaFlow OEM-grade direct-fit catalytic converter for 2007–2008 Audi RS4 4.2L provides an EPA-compliant replacement that helps keep the check engine light off. Built with mandrel-bent tubing and durable stainless steel, it mirrors OE flow geometry for stable engine operation. Install without cutting or welding; the spun-body design and included hardware reduce leak potential and streamline fitment.
MagnaFlow Direct Fit Catalytic Converter 06 Audi RS4 Awd P/S OEM
