Enhance your 2003-2007 5.9 Cummins with the AFE 48-32018 Twisted Steel T4 Exhaust Manifold. This manifold features a divided T4 flange designed to increase exhaust velocity for improved performance. Its 100% TIG-welded construction and 1/2" thick laser-cut flanges ensure exceptional durability. The mandrel-bent brushed 304 stainless steel tubing not only looks impressive but also delivers an exhilarating sound. Upgrade your exhaust system with the AFE Twisted Steel manifold and experience the difference today!