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

How To Reduce Turbo Lag

The easiest way is to increase exhaust gas flow from a low rpm, because the turbocharger is driven by exhaust gases.

Turbo lag occurs because the turbocharger takes time to be turned quickly enough by exhaust gases so that it can pull fresh air in axially to be compressed to boost the engine. Before that happens, the turbocharger is a load to the engine as the exhaust gases are trying to speed it up.

In normal operation, the accelerator must be pressed harder to increase air flow through the engine, so that it picks up and pushes more air through the exhaust, which turns the turbocharger fast enough to make it push air into the engine. That is quite a bit of lag.

To increase exhaust gas flow, we might first increase the air flow to the engine. One way is to use the Surbo (air suction turbo). This device has been observed to bring normally aspirated engines to their rpm red line with 1/2 throttle.

The Surbo cycle for turbocharged engines

How does Surbo work for turbocharged engines? While accelerating to around half throttle, the accelerator is slightly closed to form a back pressure towards the Surbo, and the Surbo holds this pressure with air jets. Meanwhile, the exhaust gases become denser and start to spool the turbo harder. The turbo begins to pull air through faster, as though the accelerator has been pressed more, and this brings in the higher density air from the Surbo, which continues to jet air in at the back pressure level. This pushes the engine and it accelerates faster. At half throttle, the rpm limit would be reached. The advantage of this is that fuel usage is not increased as much as flooring the accelerator, and that the turbo gets boosted earlier so that the car is more often "on boost", and becomes fun to drive. Also, excessive cylinder pressures are avoided.

We have fitted the Surbo on several turbocharged cars, and driven them before and after, and found that there were improvements. From turbo cars that felt slow from standstill, especially automatic ones, the turbocharged vehicle felt more like normally aspirated vehicles with larger engines, with more linear power delivery, that could be better controlled around corners or in dense traffic. If you have a turbocharged vehicle but are not fully satisfied with the throttle response, contact us to make your turbo car a better one, today.

  • List of turbocharged cars fitted with Surbo (including our test car, the Peugeot 508)
  • Differences between the Surbo and the turbocharger
  • Surbo system's energy analysis for petrol turbo engines
  • Surbo system's energy analysis for turbo diesel engines
  • VW Caddy turbo diesel owner talks about having reduced turbo lag
  • How Surbo transforms your car:

    Watch this video showing how engine revs with Surbo

    Watch the video above showing how an engine revs with Surbo. Or watch it in conjunction with the How it works page.

    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

    Compatible new cars

    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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