AWE Tuning Audi RS3 / TT RS S-FLO Open Carbon Fiber Intake4. 5 of pure carbon power. Presenting the S FLO Carbon Intake Suite for the Audi 8V RS3 and Mk3 TT RS: S FLO Open Carbon Intake System: Combine the S FLO Carbon Inlet Tube with the Shortie Carbon Intake, and you have the impressive (and very vocal) S FLO Open Carbon Intake System. A full 4. 5 diameter configuration from S FLO Filter to turbo inlet coupler, this version delivers an increase of 7 hp and 3 lb ft of torque at the wheels with an ample dose