Seller notes

Blow-Off Valve (BOV) that works by opening of two of the exhaust ports. Primary (bypass) port blows back into the intake and the secondary port to the atmosphere (due to sound effect). It is used in vehicles with sensitive intake management. Ideal for cars that use in a series Valve Diverter from Bosch and DENSO. The valve operates as a traditional valve, but opens up at higher pressure. By replacing with serial BOSCH or DENSO valve you remove usual ECU problems such as twitching engine and you ...

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