BOV Kompact Dual Port Mazda TS-0203-1009 pro prt If you are using BOV

If you are using BOV for traction/torque control

No need to remove harmonic balancer

Ports with sequential timing allow quieter operation during everyday driving while still offering the performance and sound of a vent-to-atmosphere BOV when the going gets more challenging

Harder is not always better

USA Patent:Â 10

BOV Kompact Dual Port Mazda TS-0203-1009 pro prt If you are using BOVDual outlet type BOV. The Kompact Dual Port vents to the atmosphere and back into the air intake. Ports with sequential timing allow quieter operation during everyday driving while still offering the performance and sound of a vent to atmosphere BOV when the going gets more challenging. The standard blow off valves on these cars are made of plastic, unlike the highly durable machined billet construction of the Kompact. This prevents the turbo from