AWE Tuning 4.5" S-FLO Shortie Carbon Intake for Audi 8V / Mk3 2.5T (2660-15046)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