JBA Headers 40-3023 Performance Racing Headers for 2003-2006 Hummer H2 6.0L 4WD

The JBA Headers 40-3023 are high-performance racing headers engineered specifically for 2003-2006 Hummer H2 models equipped with the 6.0L V8 engine and four-wheel drive. These headers are designed to replace the restrictive factory exhaust manifolds, significantly improving exhaust flow and unlocking additional horsepower and torque from your H2's powerplant.

Key Features:

• Mandrel-bent stainless steel tubing for maximum exhaust flow and corrosion resistance
• Precision-engineered flanges and collectors ensure leak-free installation and optimal performance
• Dyno-proven power gains throughout the RPM range
• Direct bolt-on replacement for factory exhaust manifolds
• Improved exhaust note with aggressive sound
• Designed and manufactured in the USA with JBA's legendary quality standards
• Includes all necessary gaskets and hardware for installation

JBA Racing Headers are known throughout the performance industry for their superior construction quality and proven power gains. The 40-3023 headers feature optimized primary tube diameter and length to enhance exhaust scavenging, resulting in improved throttle response and overall engine performance. The heavy-duty stainless steel construction ensures years of reliable service, even in demanding off-road and towing applications. Professional installation is recommended for proper fitment and to ensure compliance with local emissions regulations.