Stainless Works Headers 1-3/4" With Catted Leads (4WD Only) Factory Connect

Stainless Works Headers 1-3/4" With Catted Leads (4WD Only) Factory Connect1999 02 Chevy, GMC 4. 8L, 5. 3L (4WD only) Truck headers. Made from 304 stainless steel, for maximum corrosion resistance. All tubes are CNC mandrel bent for optimal flow. 3 8" CNC laser cut flanges. These headers come with air tube fitting on primary and 1 3 4" primaries that flow into a 2 1 2" slip fit collectors with O2 bungs welded into the collector that flow into 2 1 2" High flow Converters into leads then to y pipe with donut gasket included

1999-02 Chevy, GMC 4.8L, 5.3L (4WD only) Truck headers. Made from 304 stainless steel, for maximum corrosion resistance. All tubes are CNC mandrel bent for optimal flow. 3/8" CNC laser cut flanges. These headers come with air tube fitting on primary and 1-3/4" primaries that flow into a 2-1/2" slip-fit collectors with O2 bungs welded into the collector that flow into 2-1/2" High-flow Converters into leads then to y-pipe with donut gasket included that connects to Factory connection point with flange. Kit includes High temp RTV silicone, 8mm Header Bolt Kit, All the accuseal clamps needed also the bolt kit to connect the 2 flanges for factory connection. Mill finish, All TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.