AMS Performance Intake Manifold (WRX/STi/Multiple Subaru Applications)

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SKU: AMSAMS.31.08.0001-1

$ 1,260.95 $ 1,299.95

AMS Performance Subaru EJ25 Intake Manifold

The AMS SubaruIntakeManifold was designed to outperform the competition. We referenced many modern design examples and engineering studies to bring you the best intake manifold available for the Subaru EJ20 and EJ25 WRX & STI. After extensive testing we ended up with a manifold that makes more power than anything else currently available on the market!


  • 13” Equal Length Intake Runners
  • Bellhorn OD 3.8” (96.7mm)
  • Throttle Body Opening Accepts Larger Throttle Bodies up to 2.625” (66.675mm) or 70mm with mild porting


  • Increased Port Size at Cylinder Heads Allow Matching to Larger Hand Ported or CNC Ported Cylinder Heads
  • TGV Housing Replaced with Long Runner Design
  • Expertly built from super strong yet lightweight materials


  • 02-05 Subaru WRX w/ EJ20 (Requires adapter to use WRX style drive by cable throttle body)
  • 06-07 Subaru WRX w/ EJ25
  • 08-14 Subaru WRX w/ EJ25 (Requires using STI style drive by wire throttle body)
  • 04-Current Subaru STI w/ EJ25 (2008+ STI may require mild clearancing of A/C compressor line)
  • Will fit various Legacy and Forester EJ25 applications with proper throttle body usage and custom fitting

What's In The Box?

  • 1 - Intake Manifold


  • Manufacturer Standard Warranty.

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