Dinan F90 M5 Foundation Package (F) - 2018-2023 BMW M5 F90. A coordinated Dinan upgrade package combining the closed carbon-fiber intake, black free-flow axle-back exhaust and resonator-delete/X-pipe components for the F90 M5. The package is designed as a matched system for increased airflow, exhaust flow and performance while retaining drivability. Package Includes: • Dinan Cold Air Intake - D760-0049 • Dinan Free Flow Axle-Back Exhaust, black tips - D660-0079-BLK • Dinan Resonator Delete Kit - D660-0081 Important California note: Dinan's current package page states this package is not legal for sale or use in California while CARB testing is pending. Part Number: F90-M5-F-B