Stainless Works 2003-06 Chevy/GMC 4.8L 5.3L (4WD) Headers 1-3/4in Primaries 2-1/2in High-Flow Cats CT0305

Stainless Works Headers & Manifolds CT0305 2003-06 Chevy/GMC 4.8L, 5.3L (4WD only) Truck. 1 3/4" CNC Mandrel Bent 304 s/s primaries, 3/8" thick CNC Laser cut flanges, 2 1/2" catted leads. 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, cats, y-pipe, 4WD 2003-06 Chevy/GMC 4.8L, 5.3L (4WD only) Truck. 1 3/4" CNC Mandrel Bent 304 s/s primaries, 3/8" thick CNC Laser cut flanges, 2 1/2" catted leads. Designed to connect to factory exhaust. Exhaust System