How to Install an STi Top Mount Intercooler [Subaru Impreza WRX STi and Forester XT 2002-2021]

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Let's open up the airflow and allow the engine to breathe more! The stock top mount intercooler is small and doesn't cool as well as a larger intercooler. By installing an STi or aftermarket intercooler, this allows more surface area to be cooled before going into the engine. A larger intercooler means colder air going into your engine and colder air means more power!

LINKS
► GrimmSpeed Top Mount Intercooler Silicone Coupler Kit - 2004-21 Subaru STI, 2002-07 Subaru WRX: https://www.grimmspeed.com/collection...

Installing a top mount intercooler (TMIC) will be the exact same process on the 2002-2007 Subaru Impreza WRX and STi as well as the 2008-2021 models. This installation guide will also be applicable for the Subaru Forester XT. After this installation, you're ready to turn up the boost! There are many brands and intercooling systems for the Impreza, what intake system did you go with? Let me know in the comments below!

0:00 Intro
0:21 Disconnect PVC
0:41 Removal Bypass Valve
1:09 Removing Intercooler Bolts
1:28 Loosen Clamps
1:53 Remove Intercooler
2:09 Stock WRX vs Stock STi
2:57 Installing Throttle Body Coupler
3:15 Installing Intercooler Coupler
3:27 Installing STi Top Mount Intercooler
3:56 Bypass Valve Install
4:17 Tighten Clamps
4:31 Connect PVC
5:00 Installed
5:15 Outro