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Blow Off Valves

A blow-off valve (BOV) is essential for any turbocharged system. It protects your engine against pressure build-up when you release the throttle. It is needed to ensure steady and dependable performance. Therefore, we supply premium blow-off valves. Our aim is to maintain your turbo system's reliability and improve your driving experience.

When the throttle closes, the turbocharger continues to rotate. This results in a pressure spike. A blow-off valve safely releases this extra pressure to avoid compressor surge and minimizing wear on your turbocharger. A dependable blow-off valve helps your engine achieve peak performance and durability.

HKS blow-off valve is among the top brands in the industry. These valves are known for their reliability and efficiency. They can offer a rapid pressure release and a pleasing sound that appeals to many enthusiasts. We have a lot more where that came from. 

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Turbosmart BOV Power Port (Supercharger) - Black Quick View
Turbosmart

Turbosmart BOV Power Port (Supercharger) - Black

$577.72 $536.99
TURTS-0207-1003
Blow Off Valves Forced Induction New Products
Turbosmart BOV Power Port (Supercharger) - Black
-7%
Turbosmart BOV Power Port - Black Quick View
Turbosmart

Turbosmart BOV Power Port - Black

$594.99 $551.69
TURTS-0207-1002
Blow Off Valves Forced Induction New Products
The PowerPort is Turbosmart's most significant and highest-flowing blow-off valve, resetting the flow benchmark set by our popular and highly regarded RacePort Blow Off...
-7%
Turbosmart BOV Power Port - Blue Quick View
Turbosmart

Turbosmart BOV Power Port - Blue

$594.99 $551.69
TURTS-0207-1001
Blow Off Valves Forced Induction New Products
The PowerPort is Turbosmart's most significant and highest-flowing blow-off valve, resetting the flow benchmark set by our popular and highly regarded RacePort Blow Off...
-6%
Turbosmart BOV Supersonic Subaru -Black Quick View
Turbosmart

Turbosmart BOV Supersonic Subaru -Black

$430.99 $403.95
TURTS-0205-1316
Blow Off Valves Forced Induction New Products
Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Significant flow and an even bigger sound.Installation...
-5%
Turbosmart BOV Supersonic Subaru -Blue Quick View
Turbosmart

Turbosmart BOV Supersonic Subaru -Blue

$414.39 $390.11
TURTS-0205-1315
Blow Off Valves Forced Induction
Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Significant flow and an even bigger sound.This...
-6%
Turbosmart BOV Supersonic Mazda/Subaru -Black Quick View
Turbosmart

Turbosmart BOV Supersonic Mazda/Subaru -Black

$430.99 $403.95
TURTS-0205-1310
Blow Off Valves Forced Induction New Products
When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure...
-5%
Turbosmart BOV Supersonic Mazda/Subaru -Blue Quick View
Turbosmart

Turbosmart BOV Supersonic Mazda/Subaru -Blue

$414.39 $390.11
TURTS-0205-1309
Blow Off Valves Forced Induction
When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure...
-5%
Turbosmart BOV Supersonic Uni - Black Quick View
Turbosmart

Turbosmart BOV Supersonic Uni - Black

$393.99 $370.65
TURTS-0205-1301
Blow Off Valves Forced Induction New Products
A full atmospheric BOV for racers and serious enthusiasts who want to be noticed. Supersonic provides a superior flow performance with the famous Supersonic...
-5%
Turbosmart BOV Supersonic Uni - Blue Quick View
Turbosmart

Turbosmart BOV Supersonic Uni - Blue

$393.99 $370.65
TURTS-0205-1300
Blow Off Valves Forced Induction New Products
A full atmospheric BOV for racers and serious enthusiasts who want to be noticed. Supersonic provides a superior flow performance with the famous Supersonic...
-5%
Turbosmart BOV Plumb Back Uni 38mm-Black Quick View
Turbosmart

Turbosmart BOV Plumb Back Uni 38mm-Black

$375.99 $354.45
TURTS-0205-1272
Blow Off Valves Forced Induction New Products
Ideal for cars with sensitive Air-flow systems and off-road applications as the fully-sealed design of the Plumb Back prevents any foreign matter from entering...
-4%
Turbosmart BOV Vee PRO Port Subaru-Black Quick View
Turbosmart

Turbosmart BOV Vee PRO Port Subaru-Black

$280.99 $268.95
TURTS-0205-1136
Blow Off Valves Forced Induction New Products
Redesigned from the ground up, the new Vee Port Pro suit Subaru is 20% smaller and 33% lighter than its predecessor. Features a unique,...
-3%
Turbosmart BOV Vee Port Pro Subaru-Blue Quick View
Turbosmart

Turbosmart BOV Vee Port Pro Subaru-Blue

$267.72 $258.11
TURTS-0205-1135
Blow Off Valves Forced Induction New Products
Redesigned from the ground up, the new Vee Port Pro suit Subaru is 20% smaller and 33% lighter than its predecessor. Features a unique,...
-3%
Turbosmart Vee Port Pro BOV - Black Quick View
Turbosmart

Turbosmart Vee Port Pro BOV - Black

$263.99 $253.65
TURTS-0205-1131
Blow Off Valves Forced Induction New Products
The legend continues! Turbosmart's VeePort Pro is an evolution of the original VeePort, now 20% smaller and 33% lighter. Based on Turbosmart's BOV5 architecture,...
-3%
Turbosmart BOV Vee Port Pro - Blue Quick View
Turbosmart

Turbosmart BOV Vee Port Pro - Blue

$263.99 $253.65
TURTS-0205-1130
Blow Off Valves Forced Induction New Products
The legend continues! Turbosmart's VeePort Pro is an evolution of the original VeePort, now 20% smaller and 33% lighter. Based on Turbosmart's BOV5 architecture,...
-5%
Turbosmart BOV Dual Port Uni 38mm-Black Quick View
Turbosmart

Turbosmart BOV Dual Port Uni 38mm-Black

$419.94 $395.11
TURTS-0205-1072
Blow Off Valves Forced Induction
Four BOVs in one. The Dual Port can be configured as a Supersonic, Megasonic, Plumb Back or Dual Port! Features sequential ports for quiet...
-6%
Turbosmart BOV Dual Port Nissan-Black Quick View
Turbosmart

Turbosmart BOV Dual Port Nissan-Black

$454.99 $425.55
TURTS-0205-1026
Blow Off Valves Forced Induction New Products Nissan Skyline GT-R
Nissan Skyline R32 GT-R RB26DETT 1988-1994 (Requires 2 kits); Nissan Skyline R33 GT-R RB26DETT 1993-1998 (Requires 2 kits); Nissan Skyline R34 GT-R RB26DETT 1999-2002...
-6%
Turbosmart BOV Dual Port Subaru-Black Quick View
Turbosmart

Turbosmart BOV Dual Port Subaru-Black

$454.99 $425.55
TURTS-0205-1016
Blow Off Valves Forced Induction New Products
Easy to install and set up, the Turbosmart Dual Port BOV to suit Subaru features sequential ports for quiet operation on mild boost and...
-6%
Turbosmart BOV Dual Port Subaru-Blue Quick View
Turbosmart

Turbosmart BOV Dual Port Subaru-Blue

$454.99 $425.55
TURTS-0205-1015
Blow Off Valves Forced Induction New Products
Easy to install and set up, the Turbosmart Dual Port BOV to suit Subaru features sequential ports for quiet operation on mild boost and...
-6%
Turbosmart BOV Dual Port Maz/Sub-Black Quick View
Turbosmart

Turbosmart BOV Dual Port Maz/Sub-Black

$454.99 $425.55
TURTS-0205-1010
Blow Off Valves Forced Induction New Products
When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure...
-6%
Turbosmart BOV Dual Port Maz/Sub-Blue Quick View
Turbosmart

Turbosmart BOV Dual Port Maz/Sub-Blue

$454.99 $425.55
TURTS-0205-1009
Blow Off Valves Forced Induction New Products
When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure...
-5%
Turbosmart BOV RacePort Plumb Back GenV Sleeper Quick View
Turbosmart

Turbosmart BOV RacePort Plumb Back GenV Sleeper

$366.99 $346.35
TURTS-0204-1405
Blow Off Valves Forced Induction New Products
The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition-level engines. Featuring our unique collar design and internal...
-6%
Turbosmart Universal Bubba Sonic BOV - Sleeper Quick View
Turbosmart

Turbosmart Universal Bubba Sonic BOV - Sleeper

$512.99 $477.89
TURTS-0204-1303
Blow Off Valves Forced Induction New Products
Big Bubba From Turbosmart exists because sometimes Bigger is Better! Big Bubba is a piston style valve for large capacity supercharged and turbocharged engines...
-6%
Turbosmart Universal Big Bubba BPV - Sleeper Quick View
Turbosmart

Turbosmart Universal Big Bubba BPV - Sleeper

$483.99 $451.79
TURTS-0204-1203
Blow Off Valves Forced Induction New Products
Big Bubba From Turbosmart exists because sometimes Bigger is Better! Big Bubba is a piston style valve for large capacity supercharged and turbocharged engines...
-5%
Turbosmart BOV RacePort Gen V Supercharger - Black Quick View
Turbosmart

Turbosmart BOV RacePort Gen V Supercharger - Black

$355.99 $336.45
TURTS-0204-1152
Blow Off Valves Forced Induction New Products
The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar...
-5%
Turbosmart BOV RacePort Female Gen-V Red - No Weld Flange Quick View
Turbosmart

Turbosmart BOV RacePort Female Gen-V Red - No Weld Flange

$343.99 $325.65
TURTS-0204-1144
Blow Off Valves Forced Induction New Products
The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar...
-5%
Turbosmart BOV RacePort Female Gen-V Purple - No Weld Flange Quick View
Turbosmart

Turbosmart BOV RacePort Female Gen-V Purple - No Weld Flange

$343.99 $325.65
TURTS-0204-1143
Blow Off Valves Forced Induction New Products
The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar...
-5%
Turbosmart GenV RacePort Blow Off Valve - Black (For Female Flange) Quick View
Turbosmart

Turbosmart GenV RacePort Blow Off Valve - Black (For Female Flange)

$343.99 $325.65
TURTS-0204-1142
Blow Off Valves Forced Induction New Products
The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar...
-5%
Turbosmart BOV RacePort Female Gen V - Blue No Weld Flange Quick View
Turbosmart

Turbosmart BOV RacePort Female Gen V - Blue No Weld Flange

$343.99 $325.65
TURTS-0204-1141
Blow Off Valves Forced Induction New Products
The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar...
-5%
Turbosmart BOV RacePort - Sleeper Quick View
Turbosmart

Turbosmart BOV RacePort - Sleeper

$366.99 $346.35
TURTS-0204-1135
Blow Off Valves Forced Induction New Products
Turbosmart BOV RacePort - Sleeper
-5%
Turbosmart BOV RacePort - Red - Gen V Quick View
Turbosmart

Turbosmart BOV RacePort - Red - Gen V

$355.99 $336.45
TURTS-0204-1134
Blow Off Valves Forced Induction New Products
The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition-level engines. Featuring our unique collar design and internal...
-5%
Turbosmart BOV RacePort - Purple - Gen V Quick View
Turbosmart

Turbosmart BOV RacePort - Purple - Gen V

$355.99 $336.45
TURTS-0204-1133
Blow Off Valves Forced Induction New Products
The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition-level engines. Featuring our unique collar design and internal...
-5%
Turbosmart Gen V RacePort BOV - Black Quick View
Turbosmart

Turbosmart Gen V RacePort BOV - Black

$355.99 $336.45
TURTS-0204-1132
Blow Off Valves Forced Induction New Products
The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition-level engines. Featuring our unique collar design and internal...
-5%
Turbosmart BOV RacePort - Blue - Gen V Quick View
Turbosmart

Turbosmart BOV RacePort - Blue - Gen V

$355.99 $336.45
TURTS-0204-1131
Blow Off Valves Forced Induction New Products
The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition-level engines. Featuring our unique collar design and internal...
-3%
Turbosmart BOV Kompact VR09 Plumb Back Ford Fiesta 1.0L Ecoboost Quick View
Turbosmart

Turbosmart BOV Kompact VR09 Plumb Back Ford Fiesta 1.0L Ecoboost

$233.99 $226.65
TURTS-0203-1265
Blow Off Valves Forced Induction
When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure...
-3%
Turbosmart BOV Kompact Shortie Plumb Back - 2016 Ford Focus RS 2.3L Quick View
Turbosmart

Turbosmart BOV Kompact Shortie Plumb Back - 2016 Ford Focus RS 2.3L

$253.99 $244.65
TURTS-0203-1264
Blow Off Valves Forced Induction New Products
The Kompact Shortie Blow-Off Valve for the Focus RS has been developed with the Focus's high boost pressure in mind to improve performance and...
-2%
Turbosmart 12-19 Ford Focus ST(MK3) 2.0L EcoBoost Kompact Plumb Back Diverter Valve (Shortie) Quick View
Turbosmart

Turbosmart 12-19 Ford Focus ST(MK3) 2.0L EcoBoost Kompact Plumb Back Diverter Valve (Shortie)

$228.99 $222.15
TURTS-0203-1261
Blow Off Valves Forced Induction New Products
When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure...
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