1-3/4″ Header and Catted Connection Kit. 1999-2006 GM 1500 Series 4.8L/5.3L.

2002-2005 Cadillac Escalade Base 5.3L V8, 2002-2006 Chevrolet Avalanche 1500 Base 5.3L V8, 2002-2006 Chevrolet Avalanche 1500 Z71 5.3L V8, 2002-2006 Chevrolet Avalanche 1500 LT 5.3L V8, 2002-2006 Chevrolet Avalanche 1500 LS 5.3L V8, 1999-2006 Chevrolet Silverado 1500 LS 4.8L V8, 1999-2006 Chevrolet Silverado 1500 LS 5.3L V8, 1999-2006 Chevrolet Silverado 1500 LT 4.8L V8, 1999-2006 Chevrolet Silverado 1500 LT 5.3L V8, 1999-2005 Chevrolet Silverado 1500 Base 4.8L V8, 1999-2005 Chevrolet Silverado 1500 Base 5.3L V8, 2002-2006 Chevrolet Silverado 1500 WT 5.3L V8, 2002-2006 Chevrolet Silverado 1500 WT 4.8L V8, 2004-2004 Chevrolet Silverado 1500 5.3L V8, 2004-2004 Chevrolet Silverado 1500 4.8L V8, 2000-2006 Chevrolet Suburban 1500 LS 5.3L V8, 2000-2006 Chevrolet Suburban 1500 LT 5.3L V8, 2000-2006 Chevrolet Suburban 1500 Base 5.3L V8, 2004-2006 Chevrolet Suburban 1500 Z71 5.3L V8, 2000-2006 Chevrolet Tahoe LT 5.3L V8, 2000-2006 Chevrolet Tahoe LS 4.8L V8, 2000-2006 Chevrolet Tahoe LS 5.3L V8, 2000-2004 Chevrolet Tahoe LT 4.8L V8, 2000-2006 Chevrolet Tahoe Base 5.3L V8, 2000-2006 Chevrolet Tahoe Base 4.8L V8, 2003-2006 Chevrolet Tahoe Z71 5.3L V8, 2003-2004 Chevrolet Tahoe Z71 4.8L V8, 1999-2006 GMC Sierra 1500 SLE 4.8L V8, 1999-2006 GMC Sierra 1500 SLT 5.3L V8, 1999-2006 GMC Sierra 1500 SLE 5.3L V8, 1999-2004 GMC Sierra 1500 SLT 4.8L V8, 1999-2006 GMC Sierra 1500 SL 5.3L V8, 1999-2006 GMC Sierra 1500 SL 4.8L V8, 2002-2006 GMC Sierra 1500 WT 5.3L V8, 2002-2006 GMC Sierra 1500 WT 4.8L V8, 2002-2005 GMC Sierra 1500 Base 4.8L V8, 2002-2005 GMC Sierra 1500 Base 5.3L V8, 2002-2002 GMC Sierra 1500 HT 5.3L V8, 2002-2002 GMC Sierra 1500 HT 4.8L V8, 2000-2006 GMC Yukon SLE 5.3L V8, 2000-2006 GMC Yukon SLT 5.3L V8, 2000-2006 GMC Yukon SLE 4.8L V8, 2000-2005 GMC Yukon SLT 4.8L V8, 2006-2006 GMC Yukon SL 4.8L V8, 2006-2006 GMC Yukon SL 5.3L V8, 2000-2006 GMC Yukon XL 1500 SLT 5.3L V8, 2000-2006 GMC Yukon XL 1500 SLE 5.3L V8, 2006-2006 GMC Yukon XL 1500 SL 5.3L V8