2000-06 TJ Wrangler, Unlimited and Rubicon
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
Bolt on instant performance by upgrading or replacing your restrictive, cracked factory manifold with this BladeRunner port matched manifold. Designed to outflow the stock manifold by 12% for improved throttle response, the BladeRunner manifold has both the inlet and the outlet ports machined to match the factory ports for a smooth transition and optimal flow path. Constructed from heavy walled, ductile iron to resist warping and cracking, the BladeRunner will outlast OE and factory replacement... Read MoreLearn More
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
2000-06 TJ Wrangler, Rubicon and Unlimited
4.0L engine
1-1/2 mandrel-bent stainless steel primary tubes
Includes hardware, gasket, 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... Read MoreLearn More
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
2000-06 Wrangler with the 4.0L Engine
Flanges are welded 360 degrees to stand up against the hottest conditions
Includes manifold, gasket, hardware and down pipe flange gasket
Manufactured from 409 stainless steel for the ultimate in durability and corrosion resistance
All Rugged Ridge designs are extra tough for extreme usage
Fits 00-06 Wrangler with the 4.0L engine
These high quality Rugged Ridge headers are available in four finishes: polished 304 stainless steel, non-polished... Read MoreLearn More
2000-06 Wrangler TJ with the 4.0L Engine
Flanges are welded 360 degrees to stand up against the hottest conditions
Includes manifold, gasket, hardware and down pipe flange gasket
Durable steel construction with black painted finish
All Rugged Ridge designs are extra tough for extreme usage
Fits 00-06 Wrangler with the 4.0L engine
These high quality Rugged Ridge headers are available in four finishes: polished 304 stainless steel, non-polished 409 stainless steel, high temperature... Read MoreLearn More