{"title":"GMC Sierra 2500 HD Classic Catalytic Converters","description":"\u003cp\u003eMagnaFlow offers high-quality, OEM-Grade GMC Sierra 2500 HD Classic catalytic converters in direct-fit, manifold, and universal configurations across a range of model years, engines, and vehicle configurations. Direct-fit converters are engineered for specific vehicle applications, while universal converters provide a flexible option that require professional fabrication and installation. Replacing a failing converter with the correct Federal\/EPA- or CARB-compliant option helps restore proper emissions-system performance and keep the check engine light off. Use Shop by Vehicle to find the right aftermarket converter for your Sierra 2500 HD Classic's year, engine, and emissions specification.\u003c\/p\u003e","products":[{"product_id":"23781-magnaflow-hm-grade-federal-epa-compliant-direct-fit-catalytic-converter-23781","title":"MagnaFlow HM Grade Federal \/ EPA Compliant Direct-Fit Catalytic Converter 23781","description":"Keep the check engine light off with MagnaFlow HM Grade Federal\/EPA Compliant Direct-Fit Catalytic Converter 23781. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 23781 includes (1) Flange Gasket. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal\/EPA Emission systems.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":18434243199091,"sku":"23781","price":1176.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/23781_40bc01e2-055a-4c15-93cb-e0eae17b67c2.jpg?v=1788238891"},{"product_id":"49006-magnaflow-oem-grade-federal-epa-compliant-direct-fit-catalytic-converter-49006","title":"MagnaFlow OEM Grade Federal \/ EPA Compliant Direct-Fit Catalytic Converter 49006","description":"Keep the check engine light off with MagnaFlow OEM Grade Federal\/EPA Compliant Direct-Fit Catalytic Converter 49006. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 49006 includes (1) Flange Gasket. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal\/EPA Emission systems.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":18434302640243,"sku":"49006","price":1281.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/49006.jpg?v=1788251588"},{"product_id":"49642-magnaflow-oem-grade-federal-epa-compliant-direct-fit-catalytic-converter-49642","title":"MagnaFlow OEM Grade Federal \/ EPA Compliant Direct-Fit Catalytic Converter 49642","description":"Keep the check engine light off with MagnaFlow OEM Grade Federal\/EPA Compliant Direct-Fit Catalytic Converter 49642. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 49642 includes (1) Flange Gasket. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal\/EPA Emission systems.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":18434369224819,"sku":"49642","price":591.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/49642_3d5ff69e-17e1-4658-a756-db35d144f573.jpg?v=1788253273"},{"product_id":"49643-magnaflow-oem-grade-federal-epa-compliant-direct-fit-catalytic-converter-49643","title":"MagnaFlow OEM Grade Federal \/ EPA Compliant Direct-Fit Catalytic Converter 49643","description":"Keep the check engine light off with MagnaFlow OEM Grade Federal\/EPA Compliant Direct-Fit Catalytic Converter 49643. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 49643 includes (1) Crush Ring Gasket, (1) Torca Clamp. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal\/EPA Emission systems.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":18434371813491,"sku":"49643","price":782.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/49643.jpg?v=1788253277"},{"product_id":"51009-magnaflow-oem-grade-federal-epa-compliant-universal-catalytic-converter-51009","title":"MagnaFlow OEM Grade Federal \/ EPA Compliant Universal Catalytic Converter 51009","description":"Keep the check engine light off with MagnaFlow OEM Grade Federal\/EPA Compliant Universal Catalytic Converter 51009. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal\/EPA Emission systems.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":18434395832435,"sku":"51009","price":252.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/51009.jpg?v=1788255253"},{"product_id":"51109-magnaflow-oem-grade-federal-epa-compliant-universal-catalytic-converter-51109","title":"MagnaFlow OEM Grade Federal \/ EPA Compliant Universal Catalytic Converter 51109","description":"Keep the check engine light off with MagnaFlow OEM Grade Federal\/EPA Compliant Universal Catalytic Converter 51109. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal\/EPA Emission systems.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":18434398912627,"sku":"51109","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/51109.jpg?v=1788255481"},{"product_id":"93479-magnaflow-hm-grade-federal-epa-compliant-direct-fit-catalytic-converter-93479","title":"MagnaFlow HM Grade Federal \/ EPA Compliant Direct-Fit Catalytic Converter 93479","description":"Keep the check engine light off with MagnaFlow HM Grade Federal\/EPA Compliant Direct-Fit Catalytic Converter 93479. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 93479 includes (1) Flange Gasket. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal\/EPA Emission systems.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":18434503442547,"sku":"93479","price":563.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/93479.jpg?v=1788273921"},{"product_id":"93480-magnaflow-hm-grade-federal-epa-compliant-direct-fit-catalytic-converter-93480","title":"MagnaFlow HM Grade Federal \/ EPA Compliant Direct-Fit Catalytic Converter 93480","description":"Keep the check engine light off with MagnaFlow HM Grade Federal\/EPA Compliant Direct-Fit Catalytic Converter 93480. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 93480 includes (1) Crush Ring Gasket, (1) Torca Clamp. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal\/EPA Emission systems.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":18434515665011,"sku":"93480","price":744.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/93480.jpg?v=1788273926"},{"product_id":"99109hm-magnaflow-hm-grade-federal-epa-compliant-universal-catalytic-converter-99109hm","title":"MagnaFlow HM Grade Federal \/ EPA Compliant Universal Catalytic Converter 99109HM","description":"Keep the check engine light off with MagnaFlow HM Grade Federal\/EPA Compliant Universal Catalytic Converter 99109HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal\/EPA Emission systems.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":18434518515827,"sku":"99109HM","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/99109HM.jpg?v=1788274906"},{"product_id":"52493-magnaflow-oem-grade-federal-epa-compliant-direct-fit-catalytic-converter-52493","title":"MagnaFlow OEM Grade Federal \/ EPA Compliant Direct-Fit Catalytic Converter 52493","description":"Keep the check engine light off with MagnaFlow OEM Grade Federal\/EPA Compliant Direct-Fit Catalytic Converter 52493. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 52493 includes (1) Crush Ring Gasket, (1) Flange Gasket, (1) Torca Clamp and interchanges with OE parts 15013591, 15091830, 19353132. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal\/EPA Emission systems.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":18434580414579,"sku":"52493","price":487.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/52493.jpg?v=1788260242"},{"product_id":"5451006-magnaflow-california-grade-carb-compliant-direct-fit-catalytic-converter-5451006","title":"MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5451006","description":"Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5451006. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 5451006 includes (1) Flange Gasket. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":29361218912371,"sku":"5451006","price":1692.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/5451006.jpg?v=1788262754"},{"product_id":"5451309-magnaflow-california-grade-carb-compliant-universal-catalytic-converter-5451309","title":"MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5451309","description":"Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5451309. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":29361219338355,"sku":"5451309","price":1277.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/5451309.jpg?v=1788262944"},{"product_id":"5451479-magnaflow-2007-chevrolet-silverado-2500-hd-classic-6-0l-2007-gmc-sierra-2500-hd-classic-6-0l-california-grade-carb-compliant-direct-fit-catalytic-converter-5451479","title":"MagnaFlow 2007 Chevrolet Silverado 2500 HD Classic 6.0L \/ 2007 GMC Sierra 2500 HD Classic 6.0L California Grade CARB Compliant Direct-Fit Catalytic Converter 5451479","description":"Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5451479. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2007 Chevrolet Silverado 2500 HD Classic 6.0L \u0026amp; 2007 GMC Sierra 2500 HD Classic 6.0L. MagnaFlow 5451479 includes (1) Flange Gasket. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":29361220354163,"sku":"5451479","price":1985.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/5451479.jpg?v=1788263059"},{"product_id":"5451642-magnaflow-california-grade-carb-compliant-direct-fit-catalytic-converter-5451642","title":"MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5451642","description":"Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5451642. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 5451642 includes (1) Crush Ring Gasket, (1) Torca Clamp. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":29361220518003,"sku":"5451642","price":2234.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/5451642_26b2da99-8c81-4445-894e-2f1dfb311bfd.jpg?v=1788263144"},{"product_id":"4551642-magnaflow-california-grade-carb-compliant-direct-fit-catalytic-converter-4551642","title":"MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4551642","description":"Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4551642. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 4551642 includes (1) Crush Ring Gasket, (1) Torca Clamp. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":31762065588303,"sku":"4551642","price":1674.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/4551642.jpg?v=1788249744"},{"product_id":"4551006-magnaflow-california-grade-carb-compliant-direct-fit-catalytic-converter-4551006","title":"MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4551006","description":"Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4551006. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 4551006 includes (1) Flange Gasket. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":31762070044751,"sku":"4551006","price":1572.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/4551006.jpg?v=1788249465"},{"product_id":"4551479-magnaflow-california-grade-carb-compliant-direct-fit-catalytic-converter-4551479","title":"MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4551479","description":"Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4551479. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 4551479 includes (1) Flange Gasket. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.","brand":"MagnaFlow Exhaust Products","offers":[{"title":"Default Title","offer_id":31762070536271,"sku":"4551479","price":1520.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/files\/4551479.jpg?v=1788249666"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/7719\/8963\/collections\/Keep-the-light-off_ca97fe8a-9d42-48ed-8790-2167db1241cd.png?v=1786034516","url":"https:\/\/www.magnaflow.com\/collections\/gmc-sierra-2500-hd-classic-catalytic-converters.oembed?page=2","provider":"MagnaFlow","version":"1.0","type":"link"}