JBA 14-19 GM Truck 5.3L/6.2L DFI 1-5/8in Primary Raw 409SS Cat4Ward Header
JBA Performance Exhaust 1850S-4 1 5/8" Header Shorty Stainless Steel 14-18 GM Truck/SUV 5.3/6.2L - 2019 Legacy Models Installation Instructions Product info: Mandrel bent stainless steel tube Proprietary JBA Firecone collector Factory style emission connections Extra thick collector domes 3/8" thick machined flanges with Oversized exhaust ports CARB APPROVED 2014-2015 5.3L = D-57-33 CARB APPROVED 2014-2016 6.2L = D-57-33 NOT CARB approved for 2016-2019 5.3L models NOT CARB approved for 2017-2019 6.2L models JBA shorty headers are one of the best performance upgrades available for any application. Hot Rod magazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers are significantly less restrictive than the stock manifolds on a vehicle and dramatically increase the power and efficiency of an engine. JBA's original shorty design is an innovation of the old long tube header. The new shorty designs yield high performance gains that hot rodders a