Looking for aftermarket parts to modify or upgrade your GMC Sierra 3500 HD 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 3500 HD.
Whether you have a 2007 or 2019 GMC Sierra 3500 HD in Base to WT trim we have you covered. We have 3 catalytic converter direct fit available to mod your Sierra 3500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK 21-252MagnaFlow 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 Direct Fit 11-16 Chevrolet Silverado 2500HD/3500HD / GMC Sierra 2500HD/3500HD 2011-2014 GMC Sierra 3500 HD WT 2011-2019 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2019 GMC Sierra 3500 HD Base $927.00 |
 SHIPS FROM MANUFACTURER 23781MagnaFlow 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 05 Silverado 2500HD 6.0L 2007-2007 GMC Sierra 3500 HD SLE / SLT / WT $1,176.00 |
SHIPS FROM MANUFACTURER 49006MagnaFlow 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 05 Silverado 2500HD 6.0L 2007-2007 GMC Sierra 3500 HD SLE / SLT / WT $1,470.00 |