Tunit – the diesel tuning expert – has surveyed almost 9000 customers recently to gauge feedback on its tuning products and services.

The number of people saving a signi cant amount of money from their fuel bill with tunit is an impressive 75 per cent. These savings are up to and, in some cases, above £40 per month. The tunit works by increasing power and torque, giving more pull in lower gears.

As well as improving fuel economy, this also makes vehicles easier to drive and signi cantly better at towing – 88 per cent agreed their vehicle’s towing ability was improved. A further 80 per cent said the tunit gave a more enjoyable and easier drive. Also eight out of 10 customers said they consider the tunit good value for money.

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