Check out our YouTube Channel

"Easy" Subaru Swap Engine Choices

    If you go with a 2.0 WRX or STi swap, here is a great guide for the entire process with help from our friend Bucky Lasek!   Let us first say, there are no truly easy Subaru swaps and every swap has it's own challenges. A lot of...

Grounding Issues - iWire Grounding Kit

In this blog post we go over the basics of grounding and why it’s important in your Subaru. You can purchase the iWire Grounding Kit by clicking here.   Here is our Owner Brian talking with Flatirons Podcast about the importance of grounding in your Subaru. The most important thing...

Subaru Auto to Manual Transmission Conversion Basic Overview

This post is a general overview of how to convert your Subaru transmission from auto to manual. We wish we could offer a product to make this simple but because of the many changes in Subaru wiring between car model and years, we can't make a product that works for...

Subaru Transmission Swap Wiring - What Do I Need to Make My New Transmission Work?

When putting in a new transmission in their Subaru project most people think of fitment and engine compatibility but rarely consider the wiring. Don't get stuck with butt connetors, soldering, or worst of all, leaving them unplugged! To complete your transmission swap, use one of iWire's simple Plug and Play...

What is Subaru AVCS? An AVCS equipped JDM engine swap guide for your USDM 2002-2005 WRX

If you are looking for information on the older generation non AVCS engines please take a look at this POST What is AVCS? There are several ways that engineers can improve the performance and efficiency of engines. Camshafts, which determine when intake and exhaust valves open, are typically best suited...

Subaru Wiring Harnesses Explained

This iWire blog post breaks down some basic harness terminology. We hope these diagrams will make it clear exactly which harness is which and the harnesses needed to complete your merge. Subarus are a bit different from most cars. With most manufacturers the ECU to engine wiring harness is all...

Subaru Dash Swap Guide

DISCLAIMER! WARNING! ALERT! For those who have a dash swap, we are not trying to pick on you. We understand there are many reasons why people would do it, but we have our reasons for why not. iWire has wired GC swaps in every imaginable way and based on those...

How to Wire Your Non Turbo Subaru for a Turbo Engine Swap

When installing a different type of engine (e.g. NA to turbo) into a Subaru chassis, the Engine Control Unit (ECU) also needs to be swapped in to get the engine running correctly. ECUs, with almost no exception, are not interchangeable if the model and year of the car do not...