4.3L Shorty Header

The JBA Performance Exhaust 1842S-10JT is a shorty header engineered to significantly enhance the power and efficiency of 2014-20 GM Trucks equipped with the 4.3L V6 engine. Constructed from robust stainless steel and finished with a titanium ceramic coating for durability and heat resistance, this header is built to withstand demanding conditions. Featuring mandrel-bent primary tubing with a 1.625-inch diameter and a 2.5-inch collector port diameter, the JBA 1842S-10JT is designed to be less restrictive than stock exhaust manifolds. The header itself boasts 3/8-inch thick machined flanges with oversized exhaust ports, and the construction is of a performance grade type. The finish is a semi-gloss grey titanium ceramic coating. This specific header is CARB EO Number: D-57-48 and is legal for sale and use on specified vehicles in all 50 states. It is designed based on original engine and cylinder head port centerlines, with a note that raised port cylinder heads may cause installation issues.