Turbosmart BOV Kompact Dual Port - 08-14 Subaru WRX (Excl STI)/ 03-08 Subaru Legacy GTThe Kompact Dual Port blow off valve directly replaces the stock bypass valve on the Subaru WRX MY08 14 and the new Nissan Juke Pulsar Turbo. Standard valves crack with age and heat cycling and rely on rubber diaphragms that perish. They're also not designed to handle increased boost levels. Turbosmart's Kompact offers big blow off valve performance in a small package. Its billet aluminum construction provides strength, while the precision machined