Dubike Trading Llc - 2007-13 GM SILVERADO/SIERRA, SUBURBAN, TAHOE/YUKON, 6.0L-6.2L (OFF-ROAD “RACE” USE ONLY) LONG TUBE TRI-Y HEADERS Will fit with Hummer H2(2008/09) Long Tube Tri-Y Headers with Y-pipes, 4.8L-5.3L 2007-13 Chevrolet
Hummer H2 Headers at Andy's Auto Sport
Hummer H2 2.3L Whipple Supercharger Cam Headers Build Thread! - LS1TECH - Camaro and Firebird Forum Discussion