Turbosmart BOV Kompact Dual Port - Suzuki Swift Volkswagen-GTI-2002 The Stage 1 manipulates the

The Stage 1 manipulates the ECU boost control signals allowing it to modify boost levels but does not manipulate the ECU manifold boost reference

and a low-side output for a warning light

The SF Airbox adds the benefits of a cold air intake to the outstanding performance of the SF Intake

ISR Performance Universal Steel Dimple Plates - 20mm Holes

Turbosmart BOV Kompact Dual Port - Suzuki Swift Volkswagen-GTI-2002 The Stage 1 manipulates theDual Port vents both to the atmosphere & back into the air intake. Ports with sequential timing allow quieter operation during normal driving, while getting all the benefits of a vent to atmosphere BOV under race conditions.