View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your Subaru Forester with blow off valves? At Tunersports.com we carry a huge selection of the top name brand performance blow off valf parts and accessories.
 IN STOCK - DROPSHIPS T9500Control the sound of your BOV "ON-THE-FLY" Go on, admit it. There are times you wish you could have that signature turbo blow off sound, but you're not prepared to listen to it all the time. GFB's Deceptor Pro II delivers just what you need ? the ability to control how loud your BOV sound is, from t... GFB 99-00 WRX/STi / 98-04 GT/XT Forester Direct Fit Deceptor Pro II 2004-2005 Subaru Forester XT $472.68 |
 IN STOCK - DROPSHIPS T9501Control the sound of your BOV "ON-THE-FLY" Go on, admit it. There are times you wish you could have that signature turbo blow off sound, but you're not prepared to listen to it all the time. GFB's Deceptor Pro II delivers just what you need ? the ability to control how loud your BOV sound is, from t... GFB 08+ WRX / 03-09 GT Legacy / 09+ XT Forester Direct Fit Deceptor Pro II 2008-2008 Subaru Forester Sports 2.5 XT 2008-2010 Subaru Forester XT Limited 2009-2009 Subaru Forester XT 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring $472.68 |
 IN STOCK T9503Control the sound of your BOV "ON-THE-FLY" Go on, admit it. There are times you wish you could have that signature turbo blow off sound, but you're not prepared to listen to it all the time. GFB's Deceptor Pro II delivers just what you need ? the ability to control how loud your BOV sound is, from t... GFB 02-07 WRX / 04-10 STI Deceptor Pro Blow Off Valve Kit 2004-2005 Subaru Forester XT 2005-2005 Subaru Forester XT Premium 2006-2008 Subaru Forester XT Limited 2008-2008 Subaru Forester Sports 2.5 XT $472.68 |
 IN STOCK - LOW T9507Control the sound of your BOV "ON-THE-FLY" Go on, admit it. There are times you wish you could have that signature turbo blow off sound, but you're not prepared to listen to it all the time. GFB's Deceptor Pro II delivers just what you need ? the ability to control how loud your BOV sound is, from t... GFB 01/14+ Subaru WRX Deceptor Pro II Motorised Blow Off Valve w/TMS Advantage- Adjust In Cabin 2014-2018 Subaru Forester 2.0XT Premium / 2.0XT Touring $472.68 |
 IN STOCK - LOW T9100With its single venting outlet, the Mach 2 is configured from the factory for full recirculation (i.e. plumb back, diverter, bypass) venting for the performance-minded who just want the benefits without the sound.... GFB Mach 2 TMS Recirculating Diverter Valve - Subaru 99-00 WRX/STi/B4 Legacy / 98-04 GT/XT Forester 2004-2005 Subaru Forester XT $198.90 |
 IN STOCK T9101With its single venting outlet, the Mach 2 is configured from the factory for full recirculation (i.e. plumb back, diverter, bypass) venting for the performance-minded who just want the benefits without the sound.... GFB Mach 2 TMS Recirculating Diverter Valve - Subaru 08+ WRX / 03-09 GT Legacy / 09-12 XT Forester 2008-2008 Subaru Forester Sports 2.5 XT 2008-2010 Subaru Forester XT Limited 2009-2009 Subaru Forester XT 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring $198.90 |
 IN STOCK T9103With its single venting outlet, the Mach 2 is configured from the factory for full recirculation (i.e. plumb back, diverter, bypass) venting for the performance-minded who just want the benefits without the sound.... GFB Mach 2 TMS Recirculating Diverter Valve - Subaru 01-07 WRX / 02+ STi / 05-08 XT Forester 2004-2005 Subaru Forester XT 2005-2005 Subaru Forester XT Premium 2006-2008 Subaru Forester XT Limited 2008-2008 Subaru Forester Sports 2.5 XT $198.90 |
 IN STOCK T9107With its single venting outlet, the Mach 2 is configured from the factory for full recirculation (i.e. plumb back, diverter, bypass) venting for the performance-minded who just want the benefits without the sound.... GFB Mach 2 TMS Recirculating Diverter Valve - Subaru 2015+ WRX/Forester 2014-2018 Subaru Forester 2.0XT Premium / 2.0XT Touring $180.45 |
 IN STOCK T9000If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons ... GFB 99-00 WRX/STI TMS Respons Blow Off Valve Kit 2004-2005 Subaru Forester XT $320.85 |
 IN STOCK T9001If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons ... GFB 08-10+ WRX / 05-09 LGT TMS Respons Blow Off Valve Kit 2008-2008 Subaru Forester Sports 2.5 XT 2008-2010 Subaru Forester XT Limited 2009-2009 Subaru Forester XT 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring $320.85 |
 IN STOCK T9003If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons ... GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve Kit 2004-2005 Subaru Forester XT 2005-2005 Subaru Forester XT Premium 2006-2008 Subaru Forester XT Limited 2008-2008 Subaru Forester Sports 2.5 XT $320.85 |
 IN STOCK T9007If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons ... GFB 15+ Subaru WRX 2.0L (FA20DIT) AWD Sedan TMS Respons Blow Off Valve Kit 2014-2018 Subaru Forester 2.0XT Premium / 2.0XT Touring $320.85 |
 IN STOCK T9200Want it loud? Quiet? In between? GFB Hybrid kits include a pair of blanking plugs that allow the valve to be configured for full recirculation venting, 50/50 (atmosphere / recirc), or full atmosphere venting.... GFB HYBRID TMS Dual Port 98-04 Subaru Forester XT 2004-2005 Subaru Forester XT $234.81 |
 IN STOCK T9201Want it loud? Quiet? In between? GFB Hybrid kits include a pair of blanking plugs that allow the valve to be configured for full recirculation venting, 50/50 (atmosphere / recirc), or full atmosphere venting.... GFB HYBRID TMS Dual Port 03-09 Subaru Legacy GT 2008-2008 Subaru Forester Sports 2.5 XT 2008-2010 Subaru Forester XT Limited 2009-2009 Subaru Forester XT 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring $234.81 |
 IN STOCK T9203Want it loud? Quiet? In between? GFB Hybrid kits include a pair of blanking plugs that allow the valve to be configured for full recirculation venting, 50/50 (atmosphere / recirc), or full atmosphere venting.... GFB HYBRID TMS Dual Port 01-07 Subaru WRX / 05-08 Forester XT 2005-2005 Subaru Forester XT / XT Premium 2006-2008 Subaru Forester XT Limited $234.81 |
 IN STOCK T9207Want it loud? Quiet? In between? GFB Hybrid kits include a pair of blanking plugs that allow the valve to be configured for full recirculation venting, 50/50 (atmosphere / recirc), or full atmosphere venting.... GFB HYBRID TMS Dual Port 15+ Subaru WRX / Forester 2014-2018 Subaru Forester 2.0XT Premium / 2.0XT Touring $234.81 |
 IN STOCK TS-0205-1009When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure our products created a new standard. More hand-crafted than mass-produced, Turbosmart products quickly gained acceptance within the performance communi... Turbosmart BOV Dual Port Maz/Sub-Blue 2005-2005 Subaru Forester XS / XS L.L. Bean Edition / XT / XT Premium 2005-2007 Subaru Forester X 2006-2007 Subaru Forester X L.L. Bean Edition 2006-2010 Subaru Forester XT Limited 2008-2008 Subaru Forester Sports 2.5 XT 2009-2009 Subaru Forester XT 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring $409.49 |
 IN STOCK TS-0205-1010When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure our products created a new standard. More hand-crafted than mass-produced, Turbosmart products quickly gained acceptance within the performance communi... Turbosmart BOV Dual Port Maz/Sub-Black 2005-2005 Subaru Forester XS / XS L.L. Bean Edition / XT / XT Premium 2005-2007 Subaru Forester X 2006-2007 Subaru Forester X L.L. Bean Edition 2006-2010 Subaru Forester XT Limited 2008-2008 Subaru Forester Sports 2.5 XT 2009-2009 Subaru Forester XT 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring $409.49 |
 IN STOCK TS-0205-1015Easy to install and set up, the Turbosmart Dual Port BOV to suit Subaru features sequential ports for quiet operation on mild boost and full performance at full boost.... Turbosmart BOV Dual Port Subaru-Blue 2005-2005 Subaru Forester XT / XT Premium 2006-2007 Subaru Forester XT Limited $409.49 |
 IN STOCK TS-0205-1016Easy to install and set up, the Turbosmart Dual Port BOV to suit Subaru features sequential ports for quiet operation on mild boost and full performance at full boost.... Turbosmart BOV Dual Port Subaru-Black 2005-2005 Subaru Forester XT / XT Premium 2006-2007 Subaru Forester XT Limited $409.49 |
 IN STOCK TS-0203-1010The Kompact Dual Port blow-off valve directly replaces the stock bypass valve on the Subaru WRX MY08-14 and the new Nissan Juke/Pulsar Turbo. Standard valves crack with age and heat cycling and rely on rubber diaphragms that perish. They're also not designed to handle increased boost levels. Turbosm... Turbosmart BOV Kompact Dual Port - 08-14 Subaru WRX (Excl STI)/ 03-08 Subaru Legacy GT 2008-2008 Subaru Forester Sports 2.5 XT 2008-2010 Subaru Forester XT Limited 2009-2009 Subaru Forester XT 2010-2012 Subaru Forester XT Premium 2011-2012 Subaru Forester XT Touring $256.49 |
 OUT OF STOCK TS-0203-1016Dual outlet-type BOV explicitly designed for the Subaru 98-00 Forester and MY99 WRX. The Kompact Dual Port vents into the atmosphere and back into the air intake. Ports with sequential timing allow quieter operation during everyday driving while offering the performance and sound of a vent-to-atmosp... Turbosmart BOV Kompact Dual Port - 98-00 Subaru Forester / 99 WRX 1998-2002 Subaru Forester S $256.49 |
 OUT OF STOCK TS-0203-1037Our latest Kompact SmartPort explicitly made for the 2015 WRX, features the innovative new Smart Port drive-by-wire friendly staging technology that gives you the response of a Plumb Back valve with the high-performance benefits of a vent-to-atmosphere valve. The SmartPort system involves a new manu... Turbosmart BOV Kompact Dual Port - 2015+ Subaru WRX 2014-2018 Subaru Forester 2.0XT Premium / 2.0XT Touring $315.89 |
 IN STOCK TS-0203-1210Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want to be noticed but want the performance and reliability benefits of a quality BOV. It suits Subaru WRX MY08-14 and the new Nissan Juke/Pulsar Turbo.... Turbosmart BOV Kompact Plumb Back - 08+ Subaru WRX 2008-2008 Subaru Forester Sports 2.5 XT 2008-2010 Subaru Forester XT Limited 2009-2009 Subaru Forester XT 2010-2012 Subaru Forester XT Premium 2011-2012 Subaru Forester XT Touring $206.09 |
 OUT OF STOCK TS-0203-1215Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want to be noticed but want the performance and reliability benefits of a quality BOV.... Turbosmart BOV Kompact Plumb Back - Subaru 2005-2005 Subaru Forester XT / XT Premium 2006-2007 Subaru Forester XT Limited $206.09 |