JBA 03-13 GM Truck 4.3L V6 1-1/2in Primary Raw 409SS Cat4Ward Header

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.CatalogThis Part Fits: Year Make Model Submodel 2003-2005 Chevrolet Silverado 1500 Base 2003-2006,2011 Chevrolet Silverado 1500 LS 2003-2005 Chevrolet Silverado 1500 LT 2003-2013 Chevrolet Silverado 1500 WT 2004 Chevrolet Silverado 1500 Z71 Off-Road 2003-2005 GMC Sierra 1500 Base 2003,2006 GMC Sierra 1500 SL 2003-2004 GMC Sierra 1500 SLE 2003-2004 GMC Sierra 1500 SLT 2003-2013 GMC Sierra 1500 WT