Fully fitted and tested. 0% Finance plans available from £26 per month.


Tunit Optimum is a unique addition to any Petrol engine vehicle. Self or dealer fit through our World Wide network. The Optimum is the latest addition to the Tunit family and has all the same features including ease of installation, transferable to other vehicles. Performance is instantly transformed and fuel economy improvements are often seen.


• More Power
• More Torque
• Fuel Savings
• Transferable to 3 Consecutive Vehicles
• Dealer or Self fit
• 2 Year Product Warranty
• 3 Year Part Exchange
• Compact size – 6x 6 cm`s

Tunit Petrol Box