AWE Tuning B8 / 8R 3.0T ColdFront Heat ExchangerAWE Tuning B8 8R 3. 0T ColdFront Heat Exchanger Insufficiently cooled air entering your vehicle engine will rob power and performance. Modified vehicles, notably those flashed and or equipped with a modified supercharger pulley like the AWE Stage 2 Performance Pulley, are particularly susceptible to higher intake air temperatures. Enter the AWE ColdFront" Heat Exchanger: Proven to maintain consistent intake air temperatures and power, even under the