Tunit Performance Tuning

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We can supply and fit tunit performance boxes to your vehicles. For more details contact a member of staff.

What is TUNIT Performance?

The Tunit Petrol & Diesel products are all designed to improve performance above original specification within your vehicles manufacturers safety limits. Installation is made to be simple and all products are transferrable to your next vehicle.

Diesel Tuning 

***NEW TUNIT ADVANTAGE 3 out***- some details below in this section may not be updated for the Advantage 3.

The Latest Tunit Advantage offers RED BOARD technology providing safer and smoother performance to the most modern injection systems. As well as being highly proven in domestic uses it has been used by government bodies commercially to save fuel costs by 12% and emissions by 27% approximately.

It is fully adjustable via 9 settings from eco to high performance.

It has a life time part exchange and 2 year engine warranty as standard. Its fuel and emission savings have been verified by independent sources.

The 3 main benefits listed below:

  • Improved Power
  • Improved Torque
  • Improved Fuel Economy

This tuning box needs reprogrammed when you change your vehicle for a charge but can be taken with you.

Petrol Tuning

The Tunit Optimum Plus is the simplest and most effective method available to upgrade your petrol performance. Instantly plugged in and programmed from the phone App you then have the ability to choose between 4 performance settings to suit your mood or purpose.

Download a demo of the App from iTunes or Google Play.

The Optimum Plus has the advantage that it can be moved onto an endless amount of vehicles. Simply unplug then plug into a friend or family vehicle for them to try. Plug back into your own and re-choose the file for your car.

The main benefits listed below:

  • Improved Power
  • Improved Torque
  • Improved Fuel Economy
  • Full smart phone control
  • Doesn’t need re-programmed to your next vehicle and can be moved for free if refitted yourself
  • Eco to Sport plus settings

Power Pedal

The Power Pedal controls the delivery of the existing performance you have. It can be used alone or in conjunction with any other tuning product.

The Power Pedal has 12 settings ECO to SPORT PLUS.

The dash mounted control gives ease to alter the performance to suit you. It has a Dual Processor providing safety and is the only product that can be moved to any future application.

The  main benefits listed below:

  • Improved Performance Delivery
  • 13 total Settings
  • Improved Fuel Economy
  • Dual Adjustment
  • Dash Adjustment
  • 5 main settings
  • Can be upgraded to fit your next vehicle
  • Specialist application programs available


We now sell Diesel Power Plus for any diesel Engine improving power and economy. This is part of the Tunit Products.

Some of the benefits listed below.

  • Cetane booster for more power
  • Improves fuel economy by up to 11%
  • Injector and injection system cleaner
  • Reduces smoke and emissions
  • and much more…

There is 2 options of use:

  1. for Optimum – Power & Economy – add 30ml once per month.
  2. for Maximum Performance – add 30ml to every tank of fuel.

Here’s some videos of how it works below: