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Audi S6 4.0TFSi 420 & 450Hp - Stage 1 |
The tuning stages vary from 420 hp for the 4.0TFSI engine of Audi S6.
Stock engine specs: Capacity: 3993cc Power: 420 & 450hp
Stage 1: Engine upgrades: -Stage 1 Software upgrade Engine performance: Power: 540hp
Software upgrades: Boost control is achieved using the OEM ECU and N75 valve. Use of 95/100 octane fuel is mandatory.
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