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COBB Tuning XLE Blow Off Valve SUBARU

Brand: COBB Tuning | Category: Blow Off Valves (BOV)

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Fitments

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MAZDA MITSUBISHI NISSAN SUBARU UNIVERSAL
SUBARU
More Information Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
Click For More Info 2006 - 2008 FORESTER SPORTS 2.5 XT ALL ALL ALL EJ255 ALL
Click For More Info 2009 - 2013 FORESTER XT
XT LIMITED
XT PREMIUM
XT TOURING
ALL ALL ALL EJ255 ALL
Click For More Info 2002 - 2007 IMPREZA WRX
WRX LIMITED
WRX TR
ALL ALL ALL EJ205
EJ255
ALL
Click For More Info 2004 - 2014 IMPREZA WRX STI
WRX STI LIMITED
WRX STI SPECIAL EDITION
ALL ALL ALL EJ257 ALL
Click For More Info 2008 - 2014 IMPREZA WRX
WRX LIMITED
WRX PREMIUM
ALL ALL ALL EJ255 ALL
Click For More Info 2009 - 2010 IMPREZA 2.5 GT ALL ALL ALL EJ255 ALL
Click For More Info 2005 - 2009 LEGACY GT
GT LIMITED
GT SPEC.B
ALL ALL ALL EJ255 ALL
Click For More Info 2005 - 2009 OUTBACK XT
XT LIMITED
ALL ALL ALL EJ255 ALL
Click For More Info 2015 - 2018 WRX ALL ALL ALL ALL ALL ALL
Click For More Info 2015 - 2018 WRX STI ALL ALL ALL ALL EJ257 ALL

Product Description

The COBB XLE BOV can operate in one of three modes with simple adjustments. Full recirculation is achieved by plumbing the primary output back into the intake pre-turbo with the auxiliary port closed. Full atmosphere is possible by opening both the primary port and auxiliary port to atmosphere. A hybrid mode is also possible by pluming the primary port into the intake and leaving the auxiliary port open to atmosphere, causing much of the air to recirculate to retain driveability, while still creating an audible exhaust of some of the boost pressure.

Spring preload determines the pressure differential across the BOV piston required before the BOV opens and releases the pressurized intake charge. The COBB XLE BOV can be adjusted by loosening the locknut and turning the hex-head shaft clockwise for more preload or counter-clockwise for less preload. Once preload is set, the locknut is retightened and ensures the adjustment is secure.

Materials used to construct the COBB XLE BOV ensure ease of maintenance and long service life. The mounting flange, body, vent cover and piston are constructed of 6061 T6 aluminum, the spring seat is made from 303 stainless steel and the primary outlet is polished cast aluminum. O rings are used around the piston and on the mounting flange to ensure optimal sealing. The valve body is hard anodized for strength and corrosion resistance. The piston is dry filmed lubricated, providing enduring maintenance free service.

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