RacingLine Cold Air Intake System – Polo GTI 1.8TSI- CottonOur High Flow TriFoam triple layer construction is simply the best filtration material on the market, and is the key to increasing power. Each filter is handmade in the UK. Some people forget that its whats inside an intake system that really matters. Developed for use in our Volkswagen Racing cars, the system delivers really impressive airflow gains. By reducing turbo spool by up to up to 500rpm in some cases through the enhanced efficiency of the