B&M Racing CommandFlo Fuel Pressure Regulator 2000+ Honda S2000 (Blue) - P/N: 46059 Product Model: BM-46059 The CommandFlo is a billet aluminum fuel flow modifier for Mitsubishi Eclipse, Honda and Acura applications. The CommandFlo allows adjustment of the fuel flow rate which lets you properly tune the air/fuel ratio. Ideal for use with free flow intakes and exhaust systems.