Description

JBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainless steel to endure the abuse of racing, towing, and daily driving – built to withstand it all. JBA’s proprietary Firecone collector design uses race proven technology for producing maximum power and torque gains where you drive most. Each system includes factory style emission connections and high-quality hardware for a professional no-leak installation.
JBA Cat4Ward® Header 03-06 GM Truck 6.0L LS W/O EGR 1 5/8″ Primary Raw 409 1850S-3

• 3/8″ thick machined flanges with Oversized exhaust ports
• Proprietary JBA Firecone collector
• Factory style emission connections
• Mandrel bent stainless steel tube
• Extra thick collector domes

Fitment:
2003 Cadillac Escalade Base
2003 Chevrolet Silverado 1500 SS
2003 Chevrolet Silverado 1500 HD LS
2003 Chevrolet Silverado 1500 HD LT
2003 Chevrolet Silverado 2500 Base
2003 Chevrolet Silverado 2500 LS
2003 Chevrolet Silverado 2500 LT
2003 Chevrolet Silverado 2500 HD Base
2003 Chevrolet Silverado 2500 HD LS
2003 Chevrolet Silverado 2500 HD LT
2003 Chevrolet Silverado 2500 HD WT
2003 Chevrolet Silverado 3500 Base
2003 Chevrolet Silverado 3500 LS
2003 Chevrolet Silverado 3500 LT
2003 Chevrolet Suburban 2500 LS
2003 Chevrolet Suburban 2500 LT
2003 GMC Sierra 1500 Denali
2003 GMC Sierra 1500 HD SLE
2003 GMC Sierra 1500 HD SLT
2003 GMC Sierra 2500 Base
2003 GMC Sierra 2500 SLE
2003 GMC Sierra 2500 SLT
2003 GMC Sierra 2500 WT
2003 GMC Sierra 2500 HD Base
2003 GMC Sierra 2500 HD SLE
2003 GMC Sierra 2500 HD SLT
2003 GMC Sierra 2500 HD WT
2003 GMC Sierra 3500 Base
2003 GMC Sierra 3500 SLE
2003 GMC Sierra 3500 SLT
2003 GMC Yukon Denali
2003 GMC Yukon XL 1500 Denali
2003 GMC Yukon XL 2500 SLE
2003 GMC Yukon XL 2500 SLT
2003 Hummer H2 Base
2004 Cadillac Escalade Base
2004 Chevrolet Silverado 1500 LS
2004 Chevrolet Silverado 1500 LT
2004 Chevrolet Silverado 1500 SS
2004 Chevrolet Silverado 2500 Base
2004 Chevrolet Silverado 2500 LS
2004 Chevrolet Silverado 2500 LT
2004 Chevrolet Silverado 2500 WT
2004 Chevrolet Silverado 2500 HD Base
2004 Chevrolet Silverado 2500 HD LS
2004 Chevrolet Silverado 2500 HD LT
2004 Chevrolet Silverado 2500 HD WT
2004 Chevrolet Silverado 3500 Base
2004 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2004 Chevrolet Suburban 2500 LS
2004 Chevrolet Suburban 2500 LT
2004 GMC Sierra 1500 Base
2004 GMC Sierra 1500 Denali
2004 GMC Sierra 1500 SLE
2004 GMC Sierra 1500 SLT
2004 GMC Sierra 1500 WT
2004 GMC Sierra 2500 Base
2004 GMC Sierra 2500 SLE
2004 GMC Sierra 2500 SLT
2004 GMC Sierra 2500 WT
2004 GMC Sierra 2500 HD Base
2004 GMC Sierra 2500 HD SLE
2004 GMC Sierra 2500 HD SLT
2004 GMC Sierra 2500 HD WT
2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 SLE
2004 GMC Sierra 3500 SLT
2004 GMC Sierra 3500 WT
2004 GMC Yukon Denali
2004 GMC Yukon XL 1500 Denali
2004 GMC Yukon XL 2500 SLE
2004 GMC Yukon XL 2500 SLT
2004 Hummer H2 Base
2005 Cadillac Escalade Base
2005 Chevrolet Silverado 1500 LS
2005 Chevrolet Silverado 1500 LT
2005 Chevrolet Silverado 1500 SS
2005 Chevrolet Silverado 1500 Z71 Off-Road
2005 Chevrolet Silverado 1500 HD Base
2005 Chevrolet Silverado 1500 HD LS
2005 Chevrolet Silverado 1500 HD LT
2005 Chevrolet Silverado 2500 HD Base
2005 Chevrolet Silverado 2500 HD LS
2005 Chevrolet Silverado 2500 HD LT
2005 Chevrolet Silverado 2500 HD WT
2005 Chevrolet Silverado 3500 Base
2005 Chevrolet Silverado 3500 LS
2005 Chevrolet Silverado 3500 LT
2005 Chevrolet Suburban 2500 LS
2005 Chevrolet Suburban 2500 LT
2005 GMC Sierra 1500 Denali
2005 GMC Sierra 1500 SLE
2005 GMC Sierra 1500 SLT
2005 GMC Sierra 1500 HD SLE
2005 GMC Sierra 1500 HD SLT
2005 GMC Sierra 2500 HD Base
2005 GMC Sierra 2500 HD SLE
2005 GMC Sierra 2500 HD SLT
2005 GMC Sierra 2500 HD WT
2005 GMC Sierra 3500 Base
2005 GMC Sierra 3500 SLE
2005 GMC Sierra 3500 SLT
2005 GMC Sierra 3500 WT
2005 GMC Yukon Denali
2005 GMC Yukon XL 1500 Denali
2005 GMC Yukon XL 2500 SLE
2005 GMC Yukon XL 2500 SLT
2005 Hummer H2 Base
2006 Cadillac Escalade Base
2006 Chevrolet Silverado 1500 LT
2006 Chevrolet Silverado 1500 SS
2006 Chevrolet Silverado 1500 HD LT
2006 Chevrolet Silverado 2500 HD LS
2006 Chevrolet Silverado 2500 HD LT
2006 Chevrolet Silverado 2500 HD WT
2006 Chevrolet Silverado 3500 LS
2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2006 Chevrolet Suburban 1500 LTZ
2006 Chevrolet Suburban 2500 LS
2006 Chevrolet Suburban 2500 LT
2006 GMC Sierra 1500 Denali
2006 GMC Sierra 1500 SLE
2006 GMC Sierra 1500 SLT
2006 GMC Sierra 1500 HD SLE
2006 GMC Sierra 1500 HD SLT
2006 GMC Sierra 2500 HD SL
2006 GMC Sierra 2500 HD SLE
2006 GMC Sierra 2500 HD SLT
2006 GMC Sierra 2500 HD WT
2006 GMC Sierra 3500 SL
2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SLT
2006 GMC Sierra 3500 WT
2006 GMC Yukon Denali
2006 GMC Yukon XL 1500 Denali
2006 GMC Yukon XL 2500 SLE
2006 GMC Yukon XL 2500 SLT
2006 Hummer H2 Base