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GFB 08-10+ WRX / 05-09 LGT TMS Respons Blow Off Valve Kit

Take control of your blow-off sound with the GFB Respons Blow Off Valve Kit. Designed for Subaru WRX and Legacy GT models, this kit helps eliminate backfiring and stalling issues associated with fixed-ratio atmosphere-venting BOVs.

With the patented venting bias adjustment system, you can infinitely vary how much air is recirculated or vented to atmosphere. Simply twist the adjustment ring to change the sound of your BOV from silent to ear-shattering!

  • Patented Venting Bias Adjustment System
  • Infinitely adjustable between full recirc (silent) and full atmosphere (loud)
  • Change the venting bias simply by twisting the adjustment ring
Make Model Year Type
Subaru Forester 2008 Sports 2.5 XT
Subaru Forester 2008 XT Limited
Subaru Forester 2009 XT
Subaru Forester 2009 XT Limited
Subaru Forester 2010 XT Limited
Subaru Forester 2010 XT Premium
Subaru Forester 2011 XT Premium
Subaru Forester 2011 XT Touring
Subaru Forester 2012 XT Premium
Subaru Forester 2012 XT Touring
Subaru Forester 2013 XT Premium
Subaru Forester 2013 XT Touring
Subaru Impreza 2008 WRX
Subaru Impreza 2009 2.5 GT
Subaru Impreza 2009 WRX
Subaru Impreza 2009 WRX Premium
Subaru Impreza 2010 2.5 GT
Subaru Impreza 2010 WRX
Subaru Impreza 2010 WRX Limited
Subaru Impreza 2010 WRX Premium
Subaru Impreza 2011 WRX
Subaru Impreza 2011 WRX Limited
Subaru Impreza 2011 WRX Premium
Subaru Impreza 2012 WRX
Subaru Impreza 2012 WRX Limited
Subaru Impreza 2012 WRX Premium
Subaru Impreza 2013 WRX
Subaru Impreza 2013 WRX Limited
Subaru Impreza 2013 WRX Premium
Subaru Impreza 2014 WRX
Subaru Impreza 2014 WRX Limited
Subaru Impreza 2014 WRX Premium
Subaru Legacy 2003 GT
Subaru Legacy 2003 L
Subaru Legacy 2003 L SE
Subaru Legacy 2004 GT
Subaru Legacy 2004 L
Subaru Legacy 2004 L 35th Anniversary
Subaru Legacy 2005 GT
Subaru Legacy 2005 GT Limited
Subaru Legacy 2005 i
Subaru Legacy 2005 Limited
Subaru Legacy 2006 2.5i
Subaru Legacy 2006 GT
Subaru Legacy 2006 GT spec.B
Subaru Legacy 2007 2.5i
Subaru Legacy 2007 2.5i Limited
Subaru Legacy 2007 2.5i Special Edition
Subaru Legacy 2007 GT Limited
Subaru Legacy 2007 GT spec.B
Subaru Legacy 2008 2.5i
Subaru Legacy 2008 2.5i Limited
Subaru Legacy 2008 2.5i Special Edition
Subaru Legacy 2008 3.0 R Limited
Subaru Legacy 2008 GT Limited
Subaru Legacy 2008 GT spec.B
Subaru Legacy 2009 2.5i
Subaru Legacy 2009 2.5i Limited
Subaru Legacy 2009 2.5i Special Edition
Subaru Legacy 2009 3.0 R
Subaru Legacy 2009 3.0 R Limited
Subaru Legacy 2009 GT Limited
Subaru Legacy 2009 GT spec.B
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