Intake Manifolds

GMM CNC Ported Intake Manifold (Stage 3 Package) Change Over - Radius rod bellmouth - CNC Porting - Post plenum volume adder All work completed via a CNC machine Change Over: You can bring your intake in and direct swap for a finish set, or send us...

GMM CNC Ported Intake Manifold (Stage 2 Package) Change Over  - Radius rod bellmouth- CNC PortingAll work completed via a CNC machine Change Over: You can bring your intake manifold in and direct swap for a complete one, or send us your...

FAST engineers teamed up with airflow specialists at RHS to develop polymer intake manifolds for GM LS based engines. Testing on a near stock LS7 engine with a Big Mouth 102mm Throttle Body produced gains of 16+ horsepower, and 26+ rear wheel horsepower...

FAST engineers teamed up with airflow specialists at RHS to develop a polymer intake manifold for rectangular port GM LS7 engines. Testing on a 500ci LSX engine with LS7 heads and a Big Mouth 102mm Throttle Body this manifold produced gains of 26 RWHP...