APR Replacement Intake Filter for Various APR Intake Systems Volkswagen Passat B4 Sedan 1.9L TDI The basis for the system

The basis for the system is simple: Your engine's factory PCV system has several issues

The APR Universal Mechanical Boost Gauge System is sold with a blue needle

Plug and play

The intake and inlet hose are joined via a necessary flex coupler to allow for adequate engine movement under use without damaging the intake

where strength

APR Replacement Intake Filter for Various APR Intake Systems Volkswagen Passat B4 Sedan 1.9L TDI The basis for the systemFits various APR Intake Systems: CI100001, CI100002, CI100003, CI100006, CI100018, CI100020, CI100022, CI100025, CI100031, CI100033, CI100035, CI100039 Replacement filter for various APR intakes. Features Direct replacement for APR intake system Pleated cotton gauze filter Lightly oiled High quality construction