Vance & Hines 12-13 Harley FXDB3 Fuelpak
Vance & Hines 12-13 Harley FXDB3 Fuelpak: Automotive. Buy Vance & Hines 12-13 Harley FXDB3 Fuelpak: Jets & Jet Kits - ✓ FREE DELIVERY possible on eligible purchases. Installing a performance exhaust system is only your first step. . Now, you need fuel management. . You need Fuelpak. . Your fuel-injected motorcycle is equipped with an ECU (electronic control unit) that's programmed to deliver fuel to the motor based on an air / fuel ratio for a stock air filter and stock exhaust system. . While the ECU can self-adjust for environmental factors such as temperature and altitude, it can't adjust for mechanical changes like adding performance parts. . When you install a performance exhaust system, your airflow changes, so you need a fuel management system that adjusts your air / fuel ratio to match the changes. That fuel management system is Fuelpak. The perfect combination with your performance exhaus . . .