Fitment: 2015 - 2021 Subaru STI. These pipes connect the throttle body to the driver - side end tank of the COBB Front Mount Intercooler Core. Key features include a 2.5 - inch piping diameter, mandrel - bent aluminum construction, a wrinkle black powder - coat finish, an integrated IAT sensor bung, 4 - ply COBB branded silicone couplers, easy installation, and an installation guide. Combine this piping kit with a COBB Front Mount Intercooler Core and custom hot piping for a custom intercooler setup. It's great for custom turbocharger/intercooler configurations and is a perfect choice when using a rotated turbocharger setup while retaining the COBB intercooler core and piping.


Using this Cobb intercooler cold pipe kit is easy. First, refer to the included installation guide. It will walk you through the steps to connect the pipes from the throttle body to the driver - side end tank of the COBB Front Mount Intercooler Core. Make sure all the connections are secure, especially the 4 - ply COBB branded silicone couplers. When it comes to maintenance, keep an eye on the wrinkle black powder - coat finish. If you notice any chips or scratches, it's a good idea to touch them up to prevent rust. Also, check the IAT sensor bung regularly to ensure it's working properly. As for the installation, if you're not confident, it's always a good idea to get help from a professional mechanic. This way, you can enjoy a smooth - running intercooler system for your 2015 - 2021 Subaru STI.