For 2018 - 2023 Audi TT RS Quattro 2.5L. Designed, engineered, and tested in-house at AWE. The S-FLO Carbon Intake Suite is modular by design allowing an easy evolution from the S-FLO Inlet Tube or S-FLO Shortie Carbon Intake to the full S-FLO Carbon Intake Systems (open or closed).