Modifying Your Subaru – A Beginner’s Guide Part 2


The Impreza platform is well catered to by Turbosmart. From mild, bolt-on mods, through to full blown, high horsepower race builds there are Turbosmart products to suit every Subaru enthusiast’s plans.

BOOST CONTROL

The simplest and most cost-effective way of increasing the boost is via a Gated Boost Controller Valve (GBCV). Easy to fit and set, a GBCV offers a simple boost control solution if you’re  after a mild boost increase while running a factory turbo. Once fitted, you simply set your boost and forget it. The boost can be adjusted under the hood (Boost Tee) or from within the cabin (In-Cabin and Dual Stage). Turbosmart offers three types of GBCVs:

 

 

 

Boost Tee
The Boost Tee is an ideal entry-level boost controller. It’s inexpensive and easy to fit. The boost adjustable from under the hood with an accurate, proven Detent System. Set your boost and forget it – it’s that simple!

See the full list of features here.

Suitable for all Subaru WRX, STi, Liberty/Legacy and Forester models.


 

 

 

In-Cabin

With the In-Cabin you can set the boost from the driver’s seat. Using the same proven Detent System as the Boost Tee, In-Cabin allows you to make boost adjustment on the run.

See the full list of features here.

Suitable for all Subaru WRX, STi, Liberty/Legacy and Forester models.

 


 

 

 

Dual Stage Boost Controller

The Dual Stage Boost Controller offers a fast boost response with two adjustable boost levels. It allows you to toggle between high and low boost on the fly via a cabin-mounted switch. Both high and low boost settings are fully adjustable.

See the full list of features here.

Suitable for all Subaru WRX, STi, Liberty/Legacy and Forester models.

 

 


If you want to have more control over your turbocharger than the GBCVs can provide – the next step up are Electronic Boost Controllers. Offering a plethora of useful features like boost-by-gear, overboost shutdown or boost correction, these units really put the boost control at your finger tips. Turbosmart offers two types of electronic boost controllers:

e-Boost STREET

Aimed at the street performance market, the e-Boost Street features many features found on its big brother – the e-Boost2. If you want value-for-money and no nonsense features in your electronic boost controller then e-Boost STREET is the product for you.

See the full list of features here.

Suitable for all Subaru WRX, STi, Liberty/Legacy and Forester models.


e-Boost 2

Turbosmart’s flagship boost management system. If you’re after the best and don’t like compromises this is the one for you. Used and recommended by top level racers around the world the e-Boost2 will let you control, monitor, map and compensate boost, water spray, methanol or nitrous injection, manage shift/warning lights and read/monitor RPM.

It is one of the most sophisticated boost controllers on the market – try it and you will never use any other boost controller!

For a full list of features click here.

Suitable for all Subaru WRX, STi, Liberty/Legacy and Forester models.

 Coming next: Blow-Off and Bypass Valves.

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2 thoughts on “Modifying Your Subaru – A Beginner’s Guide Part 2

  1. If I put one in my 2004 subaru liberty 2.0l gt will it lag at all and would would be a recommened safe psi?

    • Hi Kyle,

      Our boost controllers have features designed to aid in turbo response and decrease spool times, the range of electronic controllers (eBoost Street and eBoost 2) will give the best increase in performance and finer control over your boost. Safe boost level is factory boost level, we would only recommend increasing your boost on a dyno so you can monitor the air fuel ratio.