Turbosmart BOV Kompact Dual Port - 01-05 Subaru WRX mazdaspeed3 EBC Racings RP-X compound is

EBC Racings RP-X compound is an ultra-high performance track and race pad designed for performance vehicles driven hard on track and for dedicated race cars

47 FET Inc

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They minimize the traction-robbing body "lean" that rolls part of the outside tires off the pavement

Turbosmart BOV Kompact Dual Port - 01-05 Subaru WRX mazdaspeed3 EBC Racings RP-X compound isDual 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. Installation Instructions