Stainless Works Headers & Manifolds CT0305OR2WD 2003-06 Chevy/GMC 4.8L, 5.3L (2WD only) Truck. 1 3/4" CNC Mandrel Bent 304 s/s primaries, 3/8" thick CNC Laser cut flanges, 2 1/2" off road pipes. Designed to connect to factory exhaust. Stainless Works headers are backed by a limited lifetime guarantee on material and workmanship and are made in the USA. 304 stainless steel, 1-3/4" primaries, 2-1/2" collectors, off-road, y-pipe, 2WD 2003-06 Chevy/GMC 4.8L, 5.3L (2WD only) Truck. 1 3/4" CNC Mandrel Bent 304 s/s primaries, 3/8" thick CNC Laser cut flanges, 2 1/2" off road pipes. Designed to connect to factory exhaust. Exhaust System
