Click to expand Tap to zoom Four Plug Header - Subaru, Toyota, Mitsubishi, Mazda by Does not apply Save £-32.90 £32.90 | / SKU H17 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This ECU header is used by Subaru, Toyota, Mitsubishi and Mazda. Very common across range. Extremely useful if you do not want to made any changes in existing wiring of the vehicle.