AIRTEC part no: ATINTVAG6. AIRTEC 3 year unlimited mileage warranty. Huge Seat Sport twin-pass style intercooler with bigger 60mm core for the Polo GTi and Ibiza 1.8 Turbo. Frontal area: 1,950cm². With a 60mm core, this the ideal upgrade for the 1.8T engines found in the SEAT Ibiza Mk3 6L and VW Polo Mk49N models.