How to Safely Add Aftermarket Electronic Boost Controllers to a Nissan Skyline GT-R?

In the world of car tuning, controlling the amount of power your car’s engine produces is crucial. This is particularly true when dealing with a car like the Nissan Skyline GT-R, with its turbocharged engine designed to pump out significant amounts of horsepower. One way to control your turbo’s output is through an aftermarket electronic boost controller. This device allows you to manually adjust the pressure in your car’s turbo system, increasing or decreasing the amount of boost your engine receives. In this detailed guide, we’ll show you how to safely add an aftermarket electronic boost controller to your Nissan Skyline GT-R.

Understanding the Role of a Boost Controller

Before jumping into the installation process, it’s worth taking a moment to understand how a boost controller works. The key function of this device is to manage the level of boost pressure supplied to the engine. This pressure is regulated by a device called a wastegate, which bleeds off excess exhaust gas – the driving force of a turbocharger.

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An electronic boost controller gives you the opportunity to adjust this pressure manually, allowing you to find the perfect balance between power and safety for your car’s engine. Remember, while adding more boost will indeed increase your car’s power, it also puts more strain on the engine and other vital components.

Choosing the Right Boost Controller

When selecting an aftermarket boost controller for your Nissan Skyline GT-R, there are a few considerations you should make. One of which is the type of controller you’d like to use. Two primary types exist: electronic and manual. Electronic controllers offer more precision and are typically easier to adjust on the fly, but they are also more expensive.

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One electronic controller that has proven effective for many Nissan Skyline GT-R owners is the Turbosmart e-Boost2. This controller offers a host of features, such as multiple boost settings, a peak-hold function, and a dash gauge showing boost pressure in bar. However, ensure you choose a controller that suits your particular needs and budget.

Installing the Boost Controller

Once you’ve picked out your boost controller, the next step is to install it. This process involves connecting the controller to your Nissan Skyline GT-R’s ECU (Engine Control Unit) and plumbing it into the car’s existing turbo system. Depending on the type of boost controller you’re installing, this process can be quick and simple, or complex requiring professional help.

When installing an electronic boost controller like the Turbosmart e-Boost2, you’ll need to connect the controller’s solenoid valve to the car’s wastegate and turbocharger, replace the factory vacuum hoses with the ones provided, and connect the controller to a power source. Note that this is a general guide and the actual installation process may vary based on your specific controller and car model.

Tuning Your Boost Controller

Once installed, the next step is to tune your boost controller for optimal performance. This involves manipulating the controller’s settings to achieve the desired boost pressure. For a Nissan Skyline GT-R, you might start at a low boost setting and gradually increase it, monitoring the car’s performance and engine health as you go.

Remember, increasing the boost pressure can deliver more power, but it also puts additional strain on your engine. If you’re not confident in tuning your boost controller, it might be wise to seek professional help. The last thing you want is to damage your engine or other components due to overly aggressive tuning.

Maintaining Your Boost Controller

Maintaining your boost controller is just as important as installing and tuning it. Regular inspection for any signs of damage or wear is critical. You should also regularly check the boost pressure to ensure it’s at the desired level. If you notice significant fluctuations in boost pressure or any other issues, it might be a sign that your controller needs replacing or that there’s a problem elsewhere in the turbo system.

In conclusion, adding an aftermarket electronic boost controller to your Nissan Skyline GT-R can provide a significant boost in power and performance. However, it’s crucial to understand how these devices work, choose the right one for your needs, and install and tune it safely to avoid potential damage to your car’s engine.

Regular Inspection and Monitoring of Your Boost Controller

Just like all other parts of your car, your boost controller needs regular inspection and monitoring. This is vital in ensuring that it maintains its functionality and efficiency. Regular maintenance can also help to detect any developing problems early before they escalate into major issues that might be expensive to fix.

Start by examining the boost controller for any visible signs of wear or damage. This includes frayed wires, dents, cracks, or any other physical damage that might affect the operation of the device. Also, regularly check the boost pressure. Your boost controller should maintain a consistent boost pressure. If you notice significant fluctuations in the boost pressure, it might be indicative of a problem with the controller or the turbo system.

Secondly, keep an eye on your boost gauge. This device displays the amount of boost that your turbocharger is producing. If you notice any sudden drops or spikes in the boost level, it might be a sign of a problem.

Lastly, listen to your car. Changes in the car’s performance, such as sudden loss of power, excessive smoke, or unusual noises, might be indicative of issues with the boost controller or the turbo system.

In case of any issues, consider consulting professional help. Remember, trying to fix complex issues by yourself might result in further damage.


With the right knowledge and approach, adding an aftermarket electronic boost controller to your Nissan Skyline GT-R can help to maximize its performance. These devices offer you the ability to control the amount of boost your car’s engine receives, helping you to find the perfect balance between power and safety.

However, it’s important to understand how boost controllers work, and the role they play in your car’s performance. Also, remember to choose the right boost controller that meets your needs and preferences.

When installing the boost controller, ensure that you follow the manufacturer’s guidelines to the letter. If you’re not confident about the installation process, seek professional help. Once installed, tuning your boost controller is crucial to ensure that it delivers the desired performance.

Finally, regular inspection and monitoring of your boost controller are essential in maintaining its functionality and efficiency. This can also help you to detect any developing issues early before they escalate into major ones. Therefore, with good understanding, careful selection, correct installation, proper tuning, and regular maintenance, an aftermarket electronic boost controller can significantly enhance the performance of your Nissan Skyline GT-R.