In this post, we talk about what happens with the USDM PCV Diagnosis Connector and the JDM STi Manifold IAT sensor when swapping a 2001-2006 JDM WRX or STi in an 2004-2005 USDM WRX. If you need a replacement engine harness for any of these models, we carry it here....

Please click here for help to depin, splice, and swap Subaru electrical connectors. Our electrical solutions cater to the professional repair shop, the DIYer, and everyone in between. Below are some of our most popular connectors. Coilpack Connectors Alternator Connectors Crank Position Connector Camshaft Position Connectors Mass Air Flow Sensor...

This post discusses the differences between 3-pin TGVs and 5-pin TGVs. What is a TGV? A TGV or Tumble Valve Generator is a piece of emissions equipment that reduces the air into the engine when only a small amount of air is required. It's located in between the heads and the upper intake manifold...

In this blog post we go over how to identify a plug or receptacle for your electrical project. These tips generally apply to all car makes but we reference Subaru since that's our specialty.  Watch the video below to have Whitney show you what you need to know!

In this blog post we break down our key rules to make sure your project will be a "great success!" For the following, with very few exceptions, you must follow the rule and not mix and match or else you'll run into trouble.   Heads dictate ECU Type When picking...

Check out our full video on how to do a long block swap and finding a compatible engine below:   If you are looking to upgrade your car with an engine swap (IE RS to WRX), this is not the post you are looking for, but lucky for you, we...

  We’ve been getting many questions about the radiator fan modification to help solve over heating after we helped out Bucky Lasek and his GC build. This solution is geared toward GC models that are overheating at idle and/or low speeds on a hot day. If the car is overheating...

This post is a general overview of converting 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 models and years, we can't make a product that works for everyone. This works for non-CANbus...