Dual Port Hybrid Bov For Subaru 02-07 Wrx & 04-16 Sti Blow Off Valve Turbo USA
- Fully venting off to atmosphere (a.k.a SuperSonic)
- Fully recirculating like a diverter valve, except still make the sweet BOV sound (a.k.a PlumBack)
- Half & Half (a.k.a 50/50)
- Subaru WRX 2002-2007
- Subaru STi 2004-2018
- Subaru Forester XT 2005 - 2007
These units are also adjustable by twisting the top cap clock-wise, and counter clock-wise to control the degree of vent off for fine tuning and getting the most out of the BOV based on any individual's preference.
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