The carefully computer-modeled RX INTAKE MANIFOLD features an optimized 3-piece design with large 58mm diameter runners (OEM 56mm,) with integral velocity stacks for the center section. It has a symmetrical Left and Right surge tanks that are 85% larger then the factory Nissan VR38 intake manifold. The improved design routes air-flow more evenly to each cylinder (which is very important when trying to safely extract the most power from a high horsepower application.)

The RX INTAKE MANIFOLD is also compatible with both the factory throttle bodies or the new big bore, billet GReddy RX Throttle Kit (R35) VR38DETT Cast Aluminum high-flow intake Manifold for VR engine

Larger volume , for high horsepower applications.

3 pieces, larger runners (58mm), 2x large volume end tanks (+85%)

* Factory throttle body compatible. or ** RX Billet Throttle Kit.