HomeAudi S4 B9 2017-now 3.0L Turbocharged V6 TFSIStock HP: 354Stock Torque: 369LB-FT Stage 1 HP:423HP(+69HP)Stage 1 Torque: 466LB-FT(+97LB-FT)C$799.00PriceStageStage 1QuantityAdd to Cart