COVID19 UPDATE - We are keeping a close eye on the current situation and in line with latest government guidance we will remain operational until further guidance clarifies otherwise. If you have any questions, concerns or wish to postpone please do give us a call on 03336000669. We do still have our self-tuning options available: for those vehicles which are supported.


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Unleash your engine's real power & torque

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The Performance Remap Specialists

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Electronic Engine Enhancement

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Toyota & Lexus Tuning Now Available

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Dyno Developed Software & Unrivalled
Technical Support.


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Dyno Developed Software & Unrivalled
Technical Support.


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The decision as to whether or not to have an Eco Recalibration is not whether you can afford it or not. As with savings of up to 20% improved fuel economy our Eco Recalibration will pay for itself in no time.

With the ever increasing cost of fuel it has become even more important to obtain efficiency from engines in order to try and reduce the increasing costs of vehicle ownership. We specialise in economy tuning of modern diesel engines whether it is

With Celtic Tuning’s Eco Recalibration you benefit from increased power & torque providing you with a linear power delivery and an ability to achieve improved fuel economy and reduced carbon footprint.


Our Eco Recalibration software can provide you with the following benefits:

  • Up to 20% improved fuel economy
  • Improved Power
  • Improved Torque
  • Improved Driveability
  • Reduced C02 emissions
  • RPM & Speed Limiters for Fleet Management Solution

Celtic Tuning off a complete peace of mind package. All of our software comes with a 14 Day full money back guarantee, a lifetime software warranty and for those vehicles under 3 years old and less than 60,000 miles we also provide our insurance backed mechanical breakdown cover. So you know your car is in safe hands.


Ford Transit 2.2 TDCi 85bhpFuel Savings

Standard MPG: 29 mpg 440 miles/tank
Modified MPG: 36 mpg 550 miles/tank
Fuel Saving of 24.13%

Volkswagen Caddy 2.0 TDi 138bhpFuel Savings

Volkswagen Caddy 1.9 TDi 103bhp

Standard MPG: 32 mpg 414 miles/tank
Modified MPG: 41 mpg 530 miles/tank
Fuel Saving of 28.1%

Cost Savings Example

* Fuel cost based on 20,000 miles per annum and fuel price of £112.4/litre Net.

Select Your Vehicle