4.5 of pure carbon power. Presenting the S - FLO Carbon Intake Suite for the Audi 8V RS3 and Mk3 TT RSS - 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 of turbo induction and diverter valve sounds with each rip of boost. DV Adapter Kit The DV Adapter Kit is a an adapter machined in - house out of billet 6061 aluminum for 2019 models. The kit includes the DV adapter, two oil resistant o - rings, two worm - drive clamps, and 8.75 of high temp silicone hose. Important Notes 2019 models require the additional DV Adapter KitThe AWE 4.5 S - FLO Carbon Intake Suite is for racing use only