MagnaFlow 60121 - Catalytic Converter Fits select: 2001-2006 CHEVROLET SILVERADO, 2001-2006 GMC SIERRA

Diesel Catalytic Converter (60121) by MagnaFlow. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 4". Catalytic Outlet Diameter: 4". Catalytic Converter Overall Length: 12". If your car needs a new catalytic converter, install one that will get you through the smog check. This universal fit converter will require some fabrication to be installed, which will involve cutting the exhaust pipe and may require welding. MagnaFlow builds their converters to last. The converter body is manufactured from heavy-duty stainless steel for maximum durability. All converters are seam welded close to the converter body for a strong, tight bond, not along the edge, which would allow the converter to expand and let the catalyst move around. And the aluminized steel or stainless steel heat shield creates a rigid wall of protection against heat and adds to the structural stability of the converter. This Catal