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Vauxhall Insignia 2.0 CDTi tuned in Milton Keynes. We are now back to work as of today. Normal service will slowly resume over this coming week. 🙂 Stage 1 tuning on this Insignia achieved 200BHP / 420NM. Gains of +40BHP / +70NM. SM Tuning – www.smtuning.co.uk #SMTuning #Vauxhall #Insignia #CDTi #DieselTuning #MobileRemapping #MiltonKeynes