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Browse & shop Intercooler Kits & Piping for your turbo or supercharged car or truck.
Intercooler kits are designed to reduce intake air temperatures by cooling compressed air from the turbocharger before it enters the engine. On turbocharged platforms like the Subaru WRX and Subaru STI, lower charge temperatures support more consistent power delivery and help reduce the risk of detonation under boost.
Upgraded intercoolers are one of the highest-return airflow investments on modified WRX and STI builds, especially when running increased boost or preparing for a turbo upgrade. Selection depends on vehicle platform, turbo setup, and whether a front mount or top mount configuration fits your build goals.
Intercooler Kits for WRX & STI: Lower Intake Temps, More Consistent Power
Performance intercooler systems are engineered to improve charge air cooling under sustained boost conditions. Front-mount configurations typically offer increased cooling capacity and are the right choice for tuned street and track builds. Top-mount options focus on packaging and boost response, making them a strong bolt-on upgrade before a full front mount conversion is considered.
For a full breakdown of how intercoolers fit into the forced induction system, our WRX turbo and airflow upgrades guide explains how each component in the airflow path works together.
Choosing the Right Intercooler for Your WRX or STI Build
The right intercooler depends on your power goals and turbo setup. On stock and mildly modified WRX builds, a top-mount upgrade reduces heat soak and improves consistency without requiring significant supporting changes. On builds running a larger turbo or aggressive tune, a front-mount intercooler provides the cooling capacity to match the increased airflow demand.
Intercooler upgrades work best as part of a complete airflow strategy. Pairing an intercooler upgrade with the right turbocharger and a proper tune ensures the full airflow system is working together rather than creating a new restriction elsewhere in the build.
As boost and power increase, supporting the drivetrain with proper engine mounts for WRX and STI helps maintain stability under the added torque. Managing crankcase pressure through IAG oil catch cans and AOS systems becomes equally important as boost levels rise.
For a complete look at how turbo and airflow upgrades work together on the WRX and STI platform, visit the WRX turbo and airflow upgrades guide.
For a complete list of what a big turbo build requires beyond the intercooler, our guide on supporting mods for big turbo WRX builds covers the full picture.
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