Looking for aftermarket parts to modify or upgrade your Hummer H3 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 H3.
Whether you have a 2006 or 2010 Hummer H3 in Adventure to X trim we have you covered. We have 3 catalytic converter direct fit available to mod your H3. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS 23966MagnaFlow 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 07-09 Chevy Colorado/GMC Canyon/ Isuzu / 06 Hummer H3 2006-2008 Hummer H3 Base 2007-2008 Hummer H3 X 2008-2008 Hummer H3 Adventure / Luxury $429.00 |
 IN STOCK - LOW 50664MagnaFlow 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 04-06 Chevy Colorado 3.5L 2006-2008 Hummer H3 Base 2007-2008 Hummer H3 X $1,059.00 |
 IN STOCK - DROPSHIPS 51085MagnaFlow 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 09-10 Hummer H3/H3T 3.7L Manifold (49 State) 2009-2009 Hummer H3 Adventure / Luxury / X 2009-2010 Hummer H3 Base $860.00 |