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BOV boost pressure relief valve
INCREDIBLE SOUND EFFECT !!!
It protects your turbo !!!
The serial DV valve injects air into the circuit, while the Blow Off valve - the atmospheric valve releases air outside, which protects your turbo, and at the same time gives an amazing sound effect - characteristic PSSSSSTT !!!!
Dedicated to: Subaru 2002 - 2007 Impreza WRX / STI
Base - 304SS stainless steel
Valve - Aluminum 6061, CNC machined
Inner diameter (piston): 27mm.
Spacing of fixing screws: 105mm.