Whether you're looking for more performance from your Diesel vehicle or looking for a sportier look we have the right products for you. TDI Tuning is an authorised agent for Pipercross performance air filters and Koni suspension shocks and springs amongst a wide variety of other enhancements available.

A diesel tuning box from TDI Tuning offers unrivalled power, performance and fuel economy for your diesel vehicle.

Not only that our prices are some of the most competitive online! With our tuning products you can add an extra 25bhp / 50Nm of torque and improved MPG. The great news is you can fit them yourself in a matter of minutes, with a few basic tools. So why not take a look around our online store and see what we can do for your vehicle and with a 3 year warranty on every tuning box system you can't go wrong. All other products carry a 2 year warranty for peace of mind.

Due to our nature of business, we cover a lot of miles. We use this opportunity to test and verify our products under many different conditions. Our cars are our pride and joy and therefore are never compromised! Whilst sourcing systems for our own cars, we spent a lot of time researching different devices that were not only reliable but safe for continuous heavy use.

We have had tuning boxes in our cars for over 60,000 miles and we don't even remove them for services by our main dealers. The complete system is easy to stow away and can be simply unplugged at any time within minutes, reverting your vehicle back to standard.

These tuning boxes plug into your engine without any need to cut or alter your existing wiring in any way.

Our tuning boxes work by typically connecting to the engines fuel injection system. We use Original connectors so they plug straight in easily and quickly. All modern diesel engines run under power to satisfy the manufacturer's wide range of tolerances. This enables TDI Tuning to unleash the extra power your engine is capable of in a safe manner. Our systems work with the engines ECU to fuel the engine more efficiently, thus producing more power, torque and save fuel whilst doing it!

• More power - Typically 25bhp
• Easy to fit, plug in and go
• Improved fuel economy
• Improved acceleration
• Preconfigured for your vehicle
• 24/7 email support
• Cable ties
• Full fitting instructions in plain simple English
• 3 year warranty
• CE approved *Where applicable
• Free shipping on tuning boxes