Why choose Surbo? With and without Surbo Achieve red line by 1/2 throttle for manuals, and higher revs than usual for autos! What is Surbo? Surbo price in Singapore

  • (To see how Surbo works for diesel vehicles, click here)
  • How Surbo Works For Petrol Engines

    The Dynamometer Test Results show the improvement for normal driving.

    How to maximize power with Surbo, at 1/2 throttle

    A Summary

    Watch this video showing how engine revs with Surbo

    Watch the video above showing how an engine revs with Surbo. Note the part-throttle press accelerator/ release accelerator slightly/ press accelerator action to activate the Surbo. Don't forget to press the "back" button to return to this page.

    During initial acceleration, the air will go straight through the Surbo. Upon slightly closing the throttle, the Surbo is back pressured by the throttle and spins the air, making an air pressure ahead. Upon subsequent acceleration with part throttle, the air continues to spin due to the pressure ahead. By 1/2 throttle, the engine will reach the rpm limit!

    For more details, read the below.

    3 stage activation

    Just accelerate to around 2500 rpm, then close the throttle slightly for a split second (to generate a throttle back pressure to create a vortex and pressurizing jets from the Surbo), and then accelerate on a slightly wider throttle (to pull the air through and yet sustain the back air pressure at part throttle, which maintains the air jets).

    Details of 3 stage activation

    The Surbo, which has no moving parts, is made of pointed fins curled to one side, and is fitted with the sharp points towards the throttle. To activate the Surbo, follow steps 1 to 3 below.

    Surbo system for petrol engines, Stage 1

    1. As the vehicle is accelerated to around 2500 rpm, the air flows straight past the fins, as it is easier to flow straight, since the absolute pressure straight ahead is lower compared to under the pointed fins.

    Surbo system for petrol engines, Stage 2

    2. For up to one second, the throttle is closed slightly, making a backward air pressure towards the Surbo, and when this back pressure is high enough it makes the air go under the fins towards the pointed ends, and the air is emitted as crossed jets, which match or even raise the back pressure. The cross jets create a vortex within the Surbo to draw air in more strongly. Since there is a momentary high pressure between the Surbo and the engine, the engine's speed is still increasing. The exhaust system is then filled with higher pressure gases and ready to blast. The engine is now set to accelerate much faster than before.

    Surbo system for petrol engines, Stage 3

    3. The accelerator is pressed again slightly, and the throttle sends the higher pressure air into the engine for quicker acceleration. Since the throttle is still half closed, the region after the Surbo is at a higher pressure than outside air, so the incoming air is forced to go under the fins towards the pointed ends, and the jets and vortex are prolonged throughout the acceleration. For turbocharged vehicles, step 3 may not be necessary as the denser exhaust gases may have already turned the turbocharger on.

    The result is that the engine reaches the rpm red line with just 1/2 throttle! This is easily done for manual vehicles as the gears can be held. For automatic vehicles, even in D mode, instead of normally switching gears at 3000 rpm, the engine can reach between 4500 to 6000 rpm with half pressure on the accelerator, depending on the gearbox program.

    To extend rpm, steps 2 and 3 can be repeated with small movements on the accelerator, to keep increasing the back pressure towards the Surbo to make it jet harder. It's quite fun to feel the vibration on the accelerator due to increased air flowing through the small throttle opening, and the push in your back, with little accelerator pressure! You can play catch-the-Surbo throughout your drive!

    By the above, the Surbo can generate its maximum air pressure, and take over more of the work of the engine. This increases throttle sensitivity, saves fuel and cuts emissions, because only 1/2 throttle is required for the engine to reach its rpm limit. Even for relaxed driving, this method can be applied, whenever there is one second to spare, such as having to follow other vehicles, or when cruising. When cornering, because the accelerator is eased off, the Surbo may be automatically activated and helps the engine power through the bend, and even sharpens the turn-in for front-drive vehicles.

  • How Surbo acts, depending on engine type
  • Related pages:

  • With and without Surbo
  • How Surbo can be used daily
  • How Surbo works for petrol automatic vehicles
  • Surbo system's energy analysis
  • Surbo system's energy analysis for turbo petrol engines
  • How Surbo transforms your car:

    Video of Volvo XC90 T8 with Surbo, sprinting to 130 kph

    Above: video of Volvo XC90 T8 with Surbo, sprinting to 130 kph.

    Video of Volvo XC90 T8 with Surbo, sprinting to 211 kph

    Above: video of Volvo XC90 T8 with Surbo, sprinting to 211 kph.

    Video of Volvo XC90 T8 with Surbo, sprinting to 224 kph

    Above: video of Volvo XC90 T8 with Surbo, sprinting to 224 kph.


    Customer reviews


    Faster acceleration

    Higher top speed (easy cruising)

    10% fuel saving

    Safe overtaking

    Max RPM with 1/2 throttle!

    Instant auto kickdown

    Reduced turbo lag

    More power uphill

    Less diesel smoke

    Reduced CO2 emissions

    Lifetime warranty

    Reusability (fits most cars)

    Reduced overall expenses


    Manual (by brand)

    Automatic (by brand)

    Big engines (Surbo5)



    Petrol turbo

    Natural gas


    Diesel/ turbodiesel


    Surbo pictures Installation Photos

    The newest cars compatible with Surbo

    How Surbo feels (by car type)


    Dnyo test

    What's Surbo?

    How it works

    Surbo vs other accessories

    Twin Surbo

    How Surbo can be used

    Increased engine efficiency

    Optimal compression

    Less knock (allows lower octane)

    Less carbon deposit

    Vehicle inspection compliance



    Company history

    Surbo's origin

    Automotive engineering

    Racing gokarts

    Racing (runner up)

    Surbo wins race

    On-site service in Singapore

    During the installation

    Aftersales service

    Check here for days closed



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