Headers - 03-06 GM Truck /Hummer 6.0L

The JBA Performance Exhaust Headers for 03-06 GM Truck/Hummer 6.0L are designed for truck enthusiasts and mechanics looking to enhance the performance of their Vortec engine platform. These headers replace the restrictive factory cast manifolds, improving exhaust flow and efficiency without requiring extensive engine modifications.

Constructed with mandrel-bent tubing, these headers optimize exhaust gas velocity and minimize turbulence, which is essential for maximizing performance. The design focuses on enhancing cylinder breathing, allowing for better power delivery across the RPM range. The headers are built to withstand the rigors of heavy use while maintaining a practical installation weight of 17.9 lbs.

Ideal for 6.0L Vortec trucks and Hummer H2/H3 models from 2003 to 2006, these headers are suitable for both stock and modified setups. Professional installation is recommended to ensure proper fitment and exhaust seal integrity, making them a reliable choice for those seeking real-world performance improvements.