Dinan Free Flow Axle-Back Exhaust BMW M5 F90 - D660-0079
The Dinan D660-0079 Free Flow Axle-Back Exhaust is designed for 2018-2023 BMW M5 F90 applications.
The system uses T304 stainless-steel construction and four polished exhaust tips. Dinan lists maximum gains of up to 10 horsepower and 8 lb-ft of torque and designs the system for a deeper, more aggressive exhaust note.

