JBA 99-01 GM Truck 4.8L/5.3L LS w/o A.I.R. w/EGR 1-5/8in 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.Installation InstructionsCatalogThis Part Fits: Year Make Model Submodel 1999-2001 Chevrolet Silverado 1500 Base 1999-2001 Chevrolet Silverado 1500 LS 1999-2001 Chevrolet Silverado 1500 LT 2000-2001 Chevrolet Suburban 1500 Base 2000-2001 Chevrolet Suburban 1500 LS 2000-2001 Chevrolet Suburban 1500 LT 2000-2001 Chevrolet Tahoe Base 2000-2001 Chevrolet Tahoe LS 2000-2001 Chevrolet Tahoe LT 1999-2001 GMC Sierra 1500 SL 1999-2001 GMC Sierra 1500 SLE 1999-2001 GMC Sierra 1500 SLT 2000-2001 GMC Yukon SLE 2000-2001 GMC Yukon SLT 2021 GMC Yukon XL AT4 2019-2021 GMC Yukon XL SLE 2019-2021 GMC Yukon XL SLT 2000-2001 GMC Yukon XL 1500 SLE 2000-2001 GMC Yukon XL 1500 SLT