PD Notes: Bov’s are generally a personal preference mod. It’s about what sound you like. Performance-wise, all of the bov’s generally perform the same on the OEM Flange. If you are planning on swapping out your turbo to a larger aftermarket unit, I would upgrade to charge pipes with a TiAL flange to allow the use of bov with a larger diameter valve like the Turbosmart Raceport. 

GFB DV+ Diverter Valve is a direct replacement for the factory valve. Keep what works and replace what doesn’t! By retaining the factory ECU control and recirculating the vented air, the DV+ is purely performance-oriented.

This Direct fit replacement for the factory diverter valve uses the existing solenoid with TMS advantage.

Works with stock hardware improves performance and reliability. Exclusive pilot activation system allows HIGHER boost pressure. The end result is sharper throttle response, lightning-fast valve actuation, and the ability to hold as much boost as you can throw at it.