Air-to-air intercooler for Audi Coupé / Audi 80/S2/RS2 (B3/B4) — TA Technix
Ref. 05AU008
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Air-to-air intercooler for Audi Coupé / Audi 80/S2/RS2 (B3/B4)
Features
Technical details
- Dimensions: core dimensions 500x195x75mm
- Intake connection diameter: 2.25"
- Exhaust connection diameter: 2.75"
What this part changes
The turbo compresses air, and compression generates heat: at the compressor outlet, the air can exceed 150 °C. It is then less dense, meaning it contains less oxygen, and it causes knocking - which the ECU corrects by retarding the ignition, meaning less 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 collapse on the second lap of a circuit or during the third acceleration. Beware of the instinct to go bigger: 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 cutting the reinforcement.
- The hoses and clamps must withstand the pressure: this is where things come loose.
- Do not sacrifice engine cooling: an intercooler mounted in front of the radiator reduces its airflow.
Compatible vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | Coupé S2 Quattro (B3/89) | — | — |
| Audi | 80 S2 Quattro (B4) | — | — |
| Audi | 80 Avant S2/RS2 Quattro (B4) | — | — |
Delivery & warranty
Frequently bought together
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since 2017
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