Exhaust - Headers

1991-99 Wrangler 4.0L 6 cylinder engine 1-1/2" mandrel-bent stainless steel primary tubes Limited lifetime warranty Stainless steel with silver ceramic coated JBA Cat4Ward headers feature 1-1/2 mandrel-bent stainless steel primary tubes, one piece CNC laser-cut flanges and JBA sealing dome technology. Each kit includes all the necessary hardware, gaskets and instructions for a professional no-leak installation and is covered by JBAs limited lifetime warranty. Learn More

1991-99 Wrangler 4.0L 6 cylinder engine 1-1/2" mandrel-bent stainless steel primary tubes Limited lifetime warranty Stainless steel finish JBA Cat4Ward headers feature 1-1/2 mandrel-bent stainless steel primary tubes, one piece CNC laser-cut flanges and JBA sealing dome technology. Each kit includes all the necessary hardware, gaskets and instructions for a professional no-leak installation and is covered by JBAs limited lifetime warranty. Learn More

1991-99 Wrangler 4.0 L engine 1-1/2 mandrel-bent stainless steel primary tubes Includes hardware, gaskets, and instructions Limited lifetime warranty Titanium ceramic coating JBA Cat4Ward headers feature 1-1/2 mandrel-bent stainless steel primary tubes, one piece CNC laser-cut flanges and JBA sealing dome technology. Each kit includes all the necessary hardware, gaskets and instructions for a professional no-leak installation and is covered by JBAs limited lifetime warranty. Learn More

This improved flow increases the exhaust gas exit velocity, and cuts down on your under hood temperature, resulting in performance gains. Each complete kit includes manifold, gasket, hardware and down pipe flange gasket and is backed by a three year limited warranty against corrosion. Learn More