Stainless Works Headers 1-3/4" With Catted Leads Factory Connect

2004 GTO headers. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3/8" thick flanges into 1-3/4" diameter primaries, 3" collector. Includes 3" pipes to connect to factory 2 bolt flange. High flow catted lead pipes. The best ground clearance and fit available. Headers are fully TIG welded and back purged. These are TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.