Pops & bangs. Burble, tuned in.

Calibration for the exhaust overrun character some owners want, where the vehicle supports it.

Pops & bangs / burble.

This option adjusts how the engine behaves on overrun, such as when you lift off the throttle, to add exhaust pops or burble. It is available only on supported vehicles, and the result depends strongly on your engine, exhaust and ECU.

It is a character and sound option, not a performance upgrade, and it can be requested alongside a Stage tune.

  • Available on supported vehicles only
  • Depends on engine, exhaust and ECU
  • Sound character, not a power upgrade
  • Can be discussed alongside a Stage tune
Find your vehicle

Know before you add it.

It is a fun option, and it comes with things worth thinking about first.

  • Noise

    Exhaust volume

    Overrun pops and burble make an exhaust louder. Check your local noise rules before adding it.

  • Emissions

    Emissions equipment

    Cars with catalytic converters or particulate filters are affected differently. We discuss what applies to yours.

  • Components

    Exhaust components

    Overrun fuel and ignition changes can add heat and stress to exhaust components.

  • Your setup

    Results vary

    The effect depends on the engine, ECU and exhaust, so the sound differs from car to car.

What it is and isn't.

It is

  • A character and sound option
  • Available only on supported vehicles
  • Something you can request alone or with a Stage tune
  • Tailored to your engine and exhaust

It isn't

  • A performance upgrade on its own
  • Guaranteed to sound the same on every car
  • A way around emissions or noise rules
  • Suitable for every vehicle

How it works.

  1. Tell us your setup

    Share your vehicle, ECU and exhaust setup, and what you are hoping for.

  2. Confirm suitability

    We check whether the option is supported and sensible for your car.

  3. Calibrate

    The overrun behaviour is calibrated for your vehicle, with checksums handled on write.

  4. Review

    We check the result with you and adjust the plan if needed.

Good to know.

Is it legal on the road?

Exhaust noise and emissions rules vary by location, and the owner is responsible for compliance. We can't give legal advice for your area.

Is it suitable for every exhaust?

No. The effect depends heavily on the exhaust and engine. We tell you what to expect for your setup before we start.

Does it affect the car?

Overrun fuel and ignition changes can add heat and stress to exhaust components, so we discuss suitability for your setup first.

Can I add it to a Stage tune?

Many owners request it alongside a Stage tune. Ask us and we'll confirm for your vehicle.

Interested in burble?

Find your vehicle, or send us the details and we'll confirm the next step.

Find your vehicle Contact us