# MagnaFlow 99659HM Heavy Metal Catalytic Converter (3" ID/3" OD) for 2000-2008 Chevrolet Silverado 2500 Hd and More ### Performance Overview Magnaflow specializes in performance catalytic converter. They've spent over thirty years creating, developing, and improving on their technology to earn their reputation as being the global market leader. magnaflow's Heavy Metal catalytic converters use a combination of ceramic and metallic substrates as well as wall thickness specifically developed for your specific vehicle needs. Installation may require some cutting and welding. ### Key Features - Brand: MagnaFlow - Part number: 99659HM - Product type: Heavy Metal Catalytic Converter (3" ID/3" OD) - Designed for compatible vehicle applications listed on this page ### Vehicle Fitment - 2001 Chevrolet Silverado 2500 Hd, Note: Base, Ls, Lt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase - 2002 Chevrolet Silverado 2500 Hd, Note: Base, Ls, Lt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase - 2003 Chevrolet Silverado 2500 Hd, Note: Base, Ls, Lt, Wt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase - 2004 Chevrolet Silverado 2500 Hd, Note: Base, Ls, Lt, Wt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase - 2005 Chevrolet Silverado 2500 Hd, Note: Base, Ls, Lt, Wt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase - 2006 Chevrolet Silverado 2500 Hd, Note: Ls, Lt, Wt; 6.0L, 8.1L; 3.00"; 3.00"; 133.0 In. Wheelbase - 2006 Chevrolet Silverado 3500, Note: Ls, Lt, Wt; 6.0L, 8.1L; 3.00"; 3.00" - 2007 Chevrolet Silverado 3500, Note: Ls, Lt, Wt; 6.0L, 8.1L; New Body; 3.00"; 3.00" ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. **What part number is this?** The listed part number is 99659HM. **Is this product designed for direct replacement?** Yes. This product is intended to match compatible vehicle applications listed in the fitment section. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering. ### Common Searches - Heavy Metal Catalytic Converter (3" ID/3" OD) for Chevrolet Silverado 2500 Hd - 99659HM fitment - MagnaFlow Heavy Metal Catalytic Converter (3" ID/3" OD) - 2000 Chevrolet Silverado 2500 Hd Heavy Metal Catalytic Converter (3" ID/3" OD) ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2001 Chevrolet Silverado 2500 Hd Base, Ls, Lt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase 2002 Chevrolet Silverado 2500 Hd Base, Ls, Lt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase 2003 Chevrolet Silverado 2500 Hd Base, Ls, Lt, Wt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase 2004 Chevrolet Silverado 2500 Hd Base, Ls, Lt, Wt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase 2005 Chevrolet Silverado 2500 Hd Base, Ls, Lt, Wt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase 2006 Chevrolet Silverado 2500 Hd Ls, Lt, Wt; 6.0L, 8.1L; 3.00"; 3.00"; 133.0 In. Wheelbase 2006 Chevrolet Silverado 3500 Ls, Lt, Wt; 6.0L, 8.1L; 3.00"; 3.00" 2007 Chevrolet Silverado 3500 Ls, Lt, Wt; 6.0L, 8.1L; New Body; 3.00"; 3.00" 2000 Chevrolet Suburban 2500 Base, Ls, Lt; 6.0L; 3.00"; 3.00" 2001 Chevrolet Suburban 2500 Base, Ls, Lt; 6.0L; 3.00"; 3.00" 2002 Chevrolet Suburban 2500 Ls, Lt; 6.0L; 3.00"; 3.00" 2003 Chevrolet Suburban 2500 Ls, Lt; 6.0L; 3.00"; 3.00" 2004 Chevrolet Suburban 2500 Ls, Lt; 6.0L, 8.1L; 3.00"; 3.00" 2005 Chevrolet Suburban 2500 Ls, Lt; 6.0L, 8.1L; 3.00"; 3.00" 2006 Chevrolet Suburban 2500 Ls, Lt; 6.0L, 8.1L; 3.00"; 3.00" 2007 Chevrolet Suburban 2500 Ls, Lt, Ltz; 6.0L; 3.00"; 3.00" 2008 Chevrolet Suburban 2500 Ls, Lt; 6.0L; 3.00"; 3.00" 2000 Dodge Ram 1500 Laramie, Sport, St, Ws; 3.9L; 3.00"; 3.00" 2001 Dodge Ram 1500 Laramie, Sport, St, Ws; 3.9L; 3.00"; 3.00" 2000 Dodge Ram 1500 Van Base; 5.2L, 5.9L; 3.00"; 3.00" 2001 Dodge Ram 1500 Van Base; 5.2L, 5.9L; 3.00"; 3.00" 2002 Dodge Ram 1500 Van Base; 5.2L, 5.9L; 3.00"; 3.00" 2003 Dodge Ram 1500 Van Base; 5.2L, 5.9L; 3.00"; 3.00" 2001 GMC Sierra 2500 Hd Sl, Sle, Slt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase 2002 GMC Sierra 2500 Hd Base, Sl, Sle, Slt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase 2003 GMC Sierra 2500 Hd Base, Sl, Sle, Slt, Wt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase 2004 GMC Sierra 2500 Hd Base, Sl, Sle, Slt, Wt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase 2005 GMC Sierra 2500 Hd Base, Sl, Sle, Slt, Wt; 6.0L; 3.00"; 3.00"; 133.0 In. Wheelbase 2006 GMC Sierra 2500 Hd Sl, Sle, Slt, Wt; 6.0L, 8.1L; 3.00"; 3.00"; 133.0 In. Wheelbase 2006 GMC Sierra 3500 Sl, Sle, Slt, Wt; 6.0L, 8.1L; 3.00"; 3.00" 2007 GMC Sierra 3500 Sl, Sle, Slt, Wt; 6.0L, 8.1L; New Body; 3.00"; 3.00" 2000 GMC Yukon Xl 2500 Sle, Slt; 6.0L; 3.00"; 3.00" 2001 GMC Yukon Xl 2500 Sle, Slt; 6.0L; 3.00"; 3.00" 2002 GMC Yukon Xl 2500 Sle, Slt; 6.0L; 3.00"; 3.00" 2003 GMC Yukon Xl 2500 Sle, Slt; 6.0L; 3.00"; 3.00" 2004 GMC Yukon Xl 2500 Sle, Slt; 6.0L, 8.1L; 3.00"; 3.00" 2005 GMC Yukon Xl 2500 Sle, Slt; 6.0L, 8.1L; 3.00"; 3.00" 2006 GMC Yukon Xl 2500 Sle, Slt; 6.0L, 8.1L; 3.00"; 3.00" 2007 GMC Yukon Xl 2500 Sle, Slt; 6.0L; 3.00"; 3.00" 2008 GMC Yukon Xl 2500 Sle, Slt; 6.0L; 3.00"; 3.00" ## Details - **Price:** 346.55 CAD - **Vendor:** MagnaFlow - **Type:** Heavy Metal Catalytic Converter (3" ID/3" OD) - **Tags:** 2000 Chevrolet Suburban 2500, 2000 Dodge Ram 1500, 2000 Dodge Ram 1500 Van, 2000 GMC Yukon Xl 2500, 2001 Chevrolet Silverado 2500 Hd, 2001 Chevrolet Suburban 2500, 2001 Dodge Ram 1500, 2001 Dodge Ram 1500 Van, 2001 GMC Sierra 2500 Hd, 2001 GMC Yukon Xl 2500, 2002 Chevrolet Silverado 2500 Hd, 2002 Chevrolet Suburban 2500, 2002 Dodge Ram 1500 Van, 2002 GMC Sierra 2500 Hd, 2002 GMC Yukon Xl 2500, 2003 Chevrolet Silverado 2500 Hd, 2003 Chevrolet Suburban 2500, 2003 Dodge Ram 1500 Van, 2003 GMC Sierra 2500 Hd, 2003 GMC Yukon Xl 2500, 2004 Chevrolet Silverado 2500 Hd, 2004 Chevrolet Suburban 2500, 2004 GMC Sierra 2500 Hd, 2005 Chevrolet Silverado 2500 Hd, 2005 Chevrolet Suburban 2500, 2005 GMC Sierra 2500 Hd, 2006 Chevrolet Silverado 2500 Hd, 2006 Chevrolet Silverado 3500, 2006 Chevrolet Suburban 2500, 2006 GMC Sierra 2500 Hd, 2006 GMC Sierra 3500, 2007 Chevrolet Silverado 3500, 2007 Chevrolet Suburban 2500, 2007 GMC Sierra 3500, 2008 Chevrolet Suburban 2500, 99659HM, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, Heavy Metal Catalytic Converter (3" ID/3" OD), MagnaFlow, Magnaflow-99659HM, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 346.55 CAD | In stock | ## Images - MagnaFlow 99659HM Heavy Metal Catalytic Converter (3" ID/3" OD) --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-chevrolet-silverado-2500-hd-catalytic-converter-99659hm) > Updated: 2026-07-16