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AMS EJ25 Intake Manifold Red - 2002-2014 WRX / 2004-2021 STI

SKU: AMS.31.08.0001-2

Here, you are looking at the AMS Performance EJ25 Intake Manifold. This manifold has been designed for those looking for the right intake manifold to accommodate big horsepower setups. AMS utilized computational fluid dynamics software and the result is a larger plenum size of 4.5L for more top-end power, along with CNC machined bellhorns which act as internal velocity stacks which will allow for a broader power curve and high RPM horsepower capabilities. 


  • 4.5-l. . . Show More >

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