CTS Turbo Air Filter 4" Inlet

The CTS Turbo Air Filter with 4 inch inlet is purpose-built for VW R32 MK4 and MK5 platforms, delivering enhanced filtration for modified intake systems. Designed to complement performance air intake setups, this high-flow filter element balances maximum airflow with effective engine protection. The large 4 inch inlet accommodates higher volume air delivery while maintaining filtration efficiency. Ideal for workshop installations where R32 engines require reliable filtration to support tuned performance levels. Constructed to withstand demanding conditions while ensuring consistent airflow characteristics throughout service intervals.