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Air and Fuel› Intake Manifolds and Components

AMS

EJ20/EJ25 WRX/STI Intake Manifold

$549.95 $499.95 Save $50.00

SKU: AMS.31.08.000x-

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The AMS Subaru Intake Manifold is a performance-enhancing component designed for Subaru EJ20 and EJ25 WRX & STI engines. It features a large 4.5-liter plenum volume and 13-inch equal-length intake runners with a 2.5-inch diameter. This manifold replaces the TGV housing, incorporates CNC machined bellhorns for improved airflow, and offers increased port size at the cylinder heads to match larger ported heads.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandAMS
Part NumberAMS.31.08.000x-
CategoryAir and Fuel

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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