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AMS EJ25 Intake Manifold
Subaru Models (inc. 2002-2014 WRX / 2004+ STI)
Features & Product Details
RallySport Direct proudly carries performance products brought by you by the record holders at AMS Performance.
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.
FEATURES:
FITMENT NOTES:
Specifications
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REVIEWS & CUSTOMER MEDIA
I bought this manifold to help add more air flow to my build, also to spice things up under the hood. And has surpassed all my expectations in those regards. Not having separate TGV housing and gaskets make for a simpler all around look. It goes without saying this also eliminates a potential failure point although oem isn’t pron to issues in that area. There is a vacuum npt fighting on the top of the driver side runner above cylinder 4 for the brake booster. I was not aware of this when I purchased but this made switching over that much easier. The npt ports on the bottom of the manifold are in the perfect location to hide the ugly lines for the boost controller, regulator etc. With a beautiful powder coating and a shaved look, you cannot go wrong with this manifold. I would how ever suggest you to be ready to pick up a few other items to make it work. I ran into a few fitment issues with the other parts I was running such as my front mount. You cannot run this with the stock bypass valve location on the ets piping kit. You also much have aftermarket fuel rails and need to find or make a bracket for the coolant overflow tank. I’m sure I have missed things but I can say this was money well spent.
QUESTIONS & ANSWERS
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Q: Fuel injector fitment Clafond96 3 years ago
Do the iag 2600cc injectors in the kit iag-afd-261 fit in this intake manifold
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A: Yes, the IAG injectors will work.
Lane H. @ RallySport Direct 2 years agoWas this answer helpful?
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Q: Adapter for cable throttle? crankyfart3 years ago
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A: Unfortunately we do not at this time.
Lane H. @ RallySport Direct 2 years agoWas this answer helpful?
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Q: AMS Manifold height trevspice444993 years ago
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A: From its highest point to lowest, it is 285mm.
Lane H. @ RallySport Direct 2 years agoWas this answer helpful?
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Q: vacuum Subie_sibs_3 years ago
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A: you should be able to keep all of your vacuum systems, now the solenoids and lines may not be able to be mounted up like stock, but with the ports on the bottom of the manifold, there should be no reason you would have to delete any of those. In regards to the inlet, it really depends on the turbo you are wanting to run and how much power you want to make. If you're going with a large frame turbo, I think the 3inch inlet is worth it for the added air flow. Thanks!
Rick C. @ RallySport Direct 3 years agoWas this answer helpful?
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Q: Retain AC? 2010 White STI3 years ago
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A: I am not aware of this disabling the AC.
Brady R @ RallySport Direct 3 years agoWas this answer helpful? -
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A: On my 2015 I had no issues with the AC lines. If I remember correctly I mildly bent one out of the way for more clearance.
SteveWasHereWas this answer helpful?
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