Looking for aftermarket parts to modify or upgrade your GMC Sierra 1500 with catalytic converter direct fit? At Tunersports.com we carry a huge selection of the top name brand performance catalytic converter direct fit parts and accessories for your Sierra 1500.
Whether you have a 1999 or 2020 GMC Sierra 1500 in Base to WT trim we have you covered. We have 13 catalytic converter direct fit available to mod your Sierra 1500. All parts have free shipping to the Continental US 48 States.
 OUT OF STOCK 47-44001This system is constructed of 2-1/2" mandrel-bent 409 stainless steel tubing for maximum strength and durability. This kit comes with a EPA Compliant catalytic converters for a bolt-on and go installation. 100% MIG-welded for strength and durability.... aFe Direct Fit Catalytic Converter 99-07 GM Trucks/SUVs V6 4.3L / V8 4.8L/5.3L 1999-2003 GMC Sierra 1500 SL 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2002 GMC Sierra 1500 HT 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 WT 2006-2006 GMC Sierra 1500 SL $805.07 SALE |
 IN STOCK - DROPSHIPS 23352MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority of the Direct-Fit Catalytic Converter products do not require welding; cutting or bending; limite... MagnaFlow Conv DF Ford 83 85 2019-2020 GMC Sierra 1500 Base / SLE $249.00 |
 OUT OF STOCK 23366MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority of the Direct-Fit Catalytic Converter products do not require welding; cutting or bending; limite... MagnaFlow Conv DF Ford-Mercury 2019-2020 GMC Sierra 1500 Denali / SLT $281.00 |
 OUT OF STOCK 24458MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority of the Direct-Fit Catalytic Converter products do not require welding; cutting or bending; limite... MagnaFlow Conv DF 03-06 Silverado SS Driver Side 2006-2006 GMC Sierra 1500 Denali / SLE / SLT $517.00 |
 IN STOCK - DROPSHIPS 4451419MagnaFlow specializes in superior catalytic converter and exhaust technology and each converter is designed to the exact original equipment specifications while keeping the Check Engine Light off. May require basic automotive knowledge for proper installation and professional installation is always ... Magnaflow California Direct Fit Converter 03 Cadillac Tahoe 4.8L 1999-2001 GMC Sierra 1500 SL / SLE / SLT 2003-2003 GMC Sierra 1500 Base / SL / SLE / SLT / WT $2,201.00 |
 IN STOCK - DROPSHIPS 447269MagnaFlow Direct-Fit Catalytic converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority off the Direct-Fit Catalytic converter products do not require welding; cutting or bending; limite... MagnaFlow Conv DF 00-06 Chevy/GMC Driver Side 6.0L 2006-2006 GMC Sierra 1500 Denali / SLE / SLT $1,036.00 |
 IN STOCK - LOW 447281MagnaFlow Direct-Fit Catalytic converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority off the Direct-Fit Catalytic converter products do not require welding; cutting or bending; limite... Magnaflow Conv DF 03-08 Chevy/GMC P/S rr 6.0L 2006-2006 GMC Sierra 1500 Denali / SLE / SLT $1,105.00 CLEARANCE VIEW PRICE IN CART |
 OUT OF STOCK 447284MagnaFlow Direct-Fit Catalytic converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority off the Direct-Fit Catalytic converter products do not require welding; cutting or bending; limite... MagnaFlow Conv DF 99-00 Chevy Pickups 4.3L 2002-2002 GMC Sierra 1500 Base / HT / SL / SLE / SLT / WT $2,190.00 |
IN STOCK - DROPSHIPS 4551419MagnaFlow specializes in superior catalytic converter and exhaust technology and each converter is designed to the exact original equipment specifications while keeping the Check Engine Light off. May require basic automotive knowledge for proper installation and professional installation is always ... MagnaFlow Conv Direct Fit OEM 2005 GMC Sierra/Chevrolet Silverado 1500/Cadillac Escalade Underbody 2003-2003 GMC Sierra 1500 SL 2003-2005 GMC Sierra 1500 Base / SLE / SLT / WT 2005-2005 GMC Sierra 1500 Hybrid $3,236.00 |
 IN STOCK - DROPSHIPS 458062MagnaFlow Direct-Fit Catalytic converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority off the Direct-Fit Catalytic converter products do not require welding; cutting or bending; limite... MagnaFlow Conv DF Chevy/GMC Avalanche/Sierra/Silverado/Suburban/Yukon XL 1500 / Tahoe/Yukon 5.3L 2002-2002 GMC Sierra 1500 Base / HT / SL / SLE / SLT / WT $3,091.00 |
IN STOCK - LOW 49631MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority of the Direct-Fit Catalytic Converter products do not require welding; cutting or bending; limite... MagnaFlow Conv DF 07-08 Escalade 6.2 Driver Side OEM 2007-2010 GMC Sierra 1500 Denali 2009-2010 GMC Sierra 1500 SLT 2010-2010 GMC Sierra 1500 SLE $980.00 |
IN STOCK - LOW 93419MagnaFlow specializes in superior catalytic converter and exhaust technology and has spent the past 30+ years earning its reputation as a global market leader. American engineered and manufactured, MagnaFlow Catalytic Converters combine efficient industrial design to produce a product that exceeds, ... MagnaFlow Conv DF 02-06 Cadillac Escalade / 02-06 Chevy Avalanche 5.3L Dual Conv Y-Pipe Assembly 2WD 1999-2003 GMC Sierra 1500 SL 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2002 GMC Sierra 1500 HT 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 WT 2005-2006 GMC Sierra 1500 Hybrid 2006-2006 GMC Sierra 1500 SL $595.00 |
 IN STOCK - DROPSHIPS 93602MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority of the Direct-Fit Catalytic Converter products do not require welding; cutting or bending; limite... MagnaFlow Conv DF 02-06 Cadillac Escalade / 02-06 GM Yukon (Inc Denali) 6.0L P/S 2001-2001 GMC Sierra 1500 C3 2002-2006 GMC Sierra 1500 Denali 2004-2004 GMC Sierra 1500 Base / WT 2004-2007 GMC Sierra 1500 SLE / SLT $570.00 |