aFe MagnumFORCE Intakes Stage-2 Si PDS AIS PDS VW Golf/Jetta 09-12 L4-2.0L (tdi)aFe MagnumFORCE Intakes Stage 2 Si PDS AIS PDS VW Golf Jetta 09 12 L4 2. 0L (tdi) Sealed, molded plastic or aluminum cover provides factory style with less intake noise than open systems. Our specially engineered air box openings pull cold air from outside the engine compartment increasing engine efficiency and producing greater performance gain. The cross linked polypropylene rotomolded plastic air box replaces restrictive stock air box and ensures a