Air-to-air intercooler kit for Subaru Impreza GRB, year 2008 - 2011 — TA Technix
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Air-to-air intercooler kit for Subaru Impreza GRB, model years 2008 - 2011
Features
Technical details
- Core dimensions 640x230x90mm, connection diameter 65mm, total width 890mm
What this part changes
The turbo compresses air, and compression heats it up: at the compressor outlet, the air can exceed 150 °C. It is then less dense, meaning it contains less oxygen, and it causes knock - which the ECU corrects by retarding the ignition, reducing power. The intercooler cools it before it enters the engine.
The benefit is therefore less about top-end power than consistency: a saturated stock intercooler lets power drop off on the second lap of a circuit or during the third acceleration run. Beware of automatically choosing the biggest option: excessive volume takes longer to fill and blunts response. The right intercooler keeps temperatures under control throughout real-world use.
What to plan for
- Check the clearance dimensions behind the bumper: some models require the reinforcement bar to be cut.
- The silicone couplers and clamps must withstand the pressure: this is where connections come loose.
- Do not sacrifice engine cooling: an intercooler mounted in front of the radiator reduces its airflow.
Compatible vehicles
| Brand | Model | Engine | Years |
|---|---|---|---|
| Subaru | Impreza WRX / STI | — | — |
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