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Vauxhall Astra VXR tuned on the rolling road. This VXR still had a stock intercooler which meant the figures struggled. As can be seen, the intake temps hit over 70c on a power run! Figures: 277BHP / 306LBFT. SM Tuning – www.smtuning.co.uk #SMTuning #Vauxhall #Astra #VXR #Z20LEH