2004/2007 Chevy/GMC Truck 8.1L 1-7/8 primary tubes uses factory headpipe and cats also available in 2 or 1-3/4

STAINLESS WORKS 81TRK04188 Features:

2004-07 Chevy/GMC 3/4 Ton Truck 8.1L, headers. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Features 1-7/8" primary tubes and 3" collectors, connects to factory head pipe and cats. 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.