4.5 of pure carbon power. Presenting the S - FLO Carbon Intake Suite for the Audi 8V RS3 and Mk3 TT RS S - FLO Shortie Carbon Intake The S - FLO Shortie Carbon Intakes replaces the factory airbox with a massive S - FLO Filter with frontal opening toting a 30 increase in filter surface area, and a 4.5 carbon elbow. All firmly planted via a bespoke CNC laser - cut stainless support bracket. The S - FLO Shortie Carbon Intake is the perfect configuration for drivers looking to uncork beloved turbo noises out of their RS3. Upgrade path 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). 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