Holden RB30ET SOHC Single Cam Forward Position Pro Mod Exhaust Manifold gen 5 Decreases surface wear and oil

Decreases surface wear and oil temps

Note: The 7psi version is suitable as a direct replacement and will work with the factory calibration

Ideal replacement for factory boost controllers

All 4 ports are machined with an 8AN ORB (3/4-16 female) threads

Holden RB30ET SOHC Single Cam Forward Position Pro Mod Exhaust Manifold gen 5 Decreases surface wear and oilAll 6Boost manifolds are individually hand made in Australia. They are specifically designed for your application and built around unique "merge collector" design. This means no pipes cross each other and the merge collector directs all exhaust gases at the turbine entry. We have these to suit many combinations, if you don't see the combination you require in our selection please email and we can have one custom made for you. Additional Extra's