Blow Off Valve Splitter Diverter Valve For VW Audi 1.8T 2.7T GTI GLI 337 TT S4



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Blow Off Valve Splitter Diverter Valve For VW Audi 1.8T 2.7T MK4 Golf Jetta A4

Valve has an aluminum piston for fast response and high boost pressure durability.
Valve is fully rebuildable and untable. This is a must have upgrade for stock or heavily modified engines. 
This is a hybrid BOV / recirculation valve that has been designed to work with engines that have have metered air flow systems (Mass air flow sensor, MAF). Where a traditional BOV would cause driveability problems and or a check engine light. The included block off plate allows you to run it in full recirculation mode or full blow off mode.Valve is fully adjustable by turning the top to set the spring preload 


- JSR diverter valve
- Block off plate
- Install instructions
-Boost/Vacuum Hose


VW / Audi 1.8t 1998 - 2005
Audi 2.7t 2000- 2005 (2 valves required)

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