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Knowledge Base

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Below FAQ are some common concerns of our clients before purchasing the theme.

AOS Product Questions

  • Question Answer AOS - 2015+ Subaru WRX Air Oil Separator - After Install Passenger Window Issue
  • Question Answer AOS - Does IAG have an Air Oil Separator that fits the 2002-2005 WRX?
  • Question Answer AOS - I have a V2 Street Series AOS & I'd like to make it a Competition Series / I have a V2 Competition Series AOS & I'd like to make it a Street Series
  • Question Answer AOS - My V2 AOS appears to be leaking around the top or bottom, but I can't find an actual leak. What's causing this?
  • Question Answer AOS - Trouble Installing an IAG Air Oil Separator with Aftermarket Turbo Inlet
  • Question Answer AOS - Which AOS is right for my vehicle?
  • Question Answer AOS - Why do I have extra parts after completing the V2 AOS install?
  • Question Answer AOS - Why does my V2 AOS look different than what is advertised on the site?
  • Question Answer AOS - Why does IAG require an air oil separator or a catch can on their built motors?
  • Question Answer AOS - What AOS do I need for my EJ207 swap?
  • Cylinder Head Product Questions

  • Question Answer Cylinder Heads - How do I know what head castings I have?
  • Engine Product Questions

  • Question Answer Engine - Can I add ARP Case Bolts to an IAG Short Block or Case once it is built or machined?
  • Question Answer Engine - Can I use IAG EJ25 Short Blocks with 2002-05 Subaru WRX's
  • Question Answer Engine - What break-in oil do I use for my new block?
  • Question Answer Engine - What head gaskets do you recommend for a Hybrid EJ25 Short Block with 2.0L EJ20 heads?
  • Question Answer Engine - What type of oil should I run after break-in?
  • Question Answer Engine - When using ARP case bolts with an IAG case half set should I follow the ARP torque specs?
  • Question Answer Engine - What type of oil should I use during the winter months in my IAG engine?
  • Question Answer Engine - Why does IAG require an air oil separator or a catch can on their built motors?
  • Question Answer Engine - Does IAG have an engine install guide for their staged blocks?
  • Exhaust Product Questions

  • Question Answer Exhaust - Why should I go with equal length headers?
  • Fueling Product Questions

  • Question Answer Fueling - I want to buy your side feed to top feed conversion rails, but I don't see any fuel lines for my car. What do I need?
  • Question Answer Fueling - What do I need to convert from side feed injectors to top feed injectors?
  • Question Answer Fueling - What size fuel injectors do I need?
  • Question Answer Fueling - Can I run E85 in the IAG braided fuel line kits?
  • Question Answer Fueling - Why should I use PTFE line when running E85 flex fuel or race gas?
  • Product Support Questions

  • Question Answer Product Support - Why are my anodized parts (Fuel rails, TGVs, caps, etc) different shades, or look different from the pictures online?
  • Question Answer Product Support - Why does my anodized IAG part have small parts of missing anodizing?
  • Shipping Support Questions

  • Question Answer Shipping - Can you ship internationally?
  • Question Answer Shipping - I only received part of my order. When can I expect the rest?
  • Shopping Cart Support Questions

  • Question Answer Shopping Cart - I'm receiving an AVS Mismatch during checkout. What do I do?
  • Question Answer Shopping Cart - Can I apply a military discount to a previously completed order?
  • Question Answer Shopping Cart - My order didn't go through but there are still pending charges on my debit/credit card?
  • Question Answer Shopping Cart - I returned a product. When can I expect to see my refund?
  • Special Order Support Questions

  • Question Answer Special Order - I'd like to order something that is Special Order.
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