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Agency Power Adj. Blow Off Valve - Subaru STi 04-10
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Agency Power Adj. Blow Off Valve - Subaru STi 04-10

It was only a matter of time before Agency Power would release their exclusive line of Blow Off Valves for the Subaru STI vehicles.


Our Price: $250.95
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ATP GReddy Blow off Valve Bolt On Flange - STi 04-10
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ATP GReddy Blow off Valve Bolt On Flange - STi 04-10

Adapter flange to bolt GReddy Type RS (or Type S) BOV onto stock location on Subaru STI intercooler.


Our Price: $44.95
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ATP HKS Blow off Valve Bolt On Flange - STi 04-10
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ATP HKS Blow off Valve Bolt On Flange - STi 04-10

Adapter flange to bolt HKS BOV onto stock location on Subaru STI intercooler. All mounting hardware included to mount and vent HKS to open atmosphere.


Our Price: $44.95
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Cusco Strut Bar, Type 40, Rear, GDA, IMPREZA 04-06
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Cusco Strut Bar, Type 40, Rear, GDA, IMPREZA 04-06

The Type 40 is made of aluminum and features a high polish finish with gray end plates. The diameter of this bar is 40mm, which is just a bit over 1". It comes with all the required hardware for installation and bolts on in minutes using normal hand tools.



Our Price: $240.00
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Cusco Strut Bar, Type OS, Front, GDA, IMPREZA 02-05
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Cusco Strut Bar, Type OS, Front, GDA, IMPREZA 02-05

The most popular of the Cusco bars is the Type OS. The classic design features a tubular aluminum oval shaft with a high polish finish. The end plates are painted the traditional Cusco blue and come with all the required hardware for installation. It bolts on in minutes using normal hand tools...



Our Price: $200.00
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Go Fast Bits Deceptor Blow Off Valve: STi 04-07
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Go Fast Bits Deceptor Blow Off Valve: STi 04-07

The go fast bits deceptor pro BOV is the first and only blow off valve to have an in car remote control to switch from silent to loud or anywhere in between.

One flick of a switch in your STi, will turn the noise up or down.



Retail price: $650.99
Our Price: $332.95 save 49%
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Go Fast Bits TMS Respons Dual Port Blow Off Valve Kit - STi 04-10
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Go Fast Bits TMS Respons Dual Port Blow Off Valve Kit - STi 04-10

This blow off valve is ideal if you want the loud swoosh without your car stalling out or running rich!

The Go Fast Bits TMS Response BOV vents to the intake & vents to the atmosphere with its dual port action.

By utilizing a unique air diverting system, you can con...



Our Price: $218.95
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Greddy Type RZ Blow Off Valves: Subaru STi 02-05
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Greddy Type RZ Blow Off Valves: Subaru STi 02-05

GReddy Blow Off Valves are easily adjustable to eliminate compressor surge and preventing premature boost leakage, while increasing boost response between shifts.

Each valve is made of durable cast and billet aluminum frame and the valve to diaphragm ratio provides perfo...


Our Price: $426.95
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HKS Blow off Valve Kit: WRX STi 02-07
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HKS Blow off Valve Kit: WRX STi 02-07

Super SQV 3 features include a nickel-plated, die-cast metal secondary valve, which is swaged to the primary valve, a stainless steel C-clip and spring to increase sealing and durability. To assure buyers that they are purchasing an authentic HKS product, the new design incorporates a holographic...


Retail price: $325.00
Our Price: $304.95 save 6%
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M7 Hyper Sound Blow Off Valve Type GT-7 (Adapter Kit Type)
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M7 Hyper Sound Blow Off Valve Type GT-7 (Adapter Kit Type)

Hyper Sound Blow Off Valve Type GT-7 employs the Dual Drive System. The
purpose of Dual Drive System is to relieve compressor surge without
reducing compressor speed.The funnel and body with ribs employs high
quality aluminum die-cast to ensured heat dissipation radiation. Cr...


Our Price: $390.00
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Perrin Blow Off Valve Recirc Black: Subaru STi 04-07
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Perrin Blow Off Valve Recirc Black: Subaru STi 04-07

Inefficient factory blow off valves (BOV) can hinder boost response during shifts and can damage your expensive turbo charger. PERRIN™ offers several choices for owners to choose the best solution to the problem. 

For clients that demand proper air fuel ratios and idle quali...



Our Price: $289.95
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Turbosmart Dual Port Sleeper Blow off Valve Kit: STi
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Turbosmart Dual Port Sleeper Blow off Valve Kit: STi

Hybrid-type BOV offering three BOVs in one!

The Dual Port can be configured to vent to the atmosphere, back into the air intake or both! Plumb Back system for quiet, road-compliant operation, Supersonic for the race track, or Dual Port for the best of both worlds.



Retail price: $399.99
Our Price: $317.95 save 21%
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TurboXS Hybrid Blow off Valve Kit: Subaru STi 04-07
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TurboXS Hybrid Blow off Valve Kit: Subaru STi 04-07

The new Hybrid Valve gives your STi the subtlety of a re-circulating Bypass Valve, combined with the power and sound of a Blow off Valve.

We recommend upgrading the factory valve when running boost above stock levels.

* Built to last from solid aluminum and bras...



Our Price: $186.15
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TurboXS Racing Bypass Valve: Subaru STi 04-07
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TurboXS Racing Bypass Valve: Subaru STi 04-07

Specifically designed for Subaru STi's, the WS-RBV requires no adapter kit to install.

TECH TIP: Designed for people who want to run high boost levels, but still vent their BOV back to the air intake to maintain maximum drivabilit...


Our Price: $186.15
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Ultimate Racing TiAL Blow-Off Valve Kit: Subaru STi 04-07
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Ultimate Racing TiAL Blow-Off Valve Kit: Subaru STi 04-07

- Bolt-On Replacement
- Fits stock and aftermarket top-mount intercoolers
- Fits aftermarket front-mount intercoolers that retain factory bypass valve flange


Fits:

Subaru...



Our Price: $267.00
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