AWE Tuning Audi 4.2L V8 S-FLO Carbon Intake System B8 S52660 13032 The AWE Tuning 4. 2L S5 S FLO Intake was engineered in house to draw in large volumes cool air to produce impressive power gains. The S FLO Intake is now available as full S FLO Carbon Kit, or ala carte as S FLO Intake, S FLO Intake Filter or simply the S FLO Carbon Cover. S FLO Carbon Kit: The full package The AWE Tuning S FLO Carbon Kit is the full kit, containing the S FLO Intake, the S FLO Carbon Cover, the S FLO Filter, our engineered