Ramair performance foam cold-air intake kit with carbon lids for the BMW M2, M3, M4 and Competition models (2020-2023) with the S58 3.0 turbo: 90mm intake diameter, black powder-coated heat shields with carbon lids, Ramair foam filters, black silicone hoses, powder-coated hard pipe, CNC turbo adapters and a full fitting kit. Better airflow, throttle response and induction / turbo sound than the factory intake.