E3 Performance

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Seat Leon Tuning Boxes

The E3 Performance Tuning Box is unique: it's the only tuning box with overheating protection. Therefore the E3 Performance box is the safest way to improve the power and torque of your Seat Leon.

Select your Seat Leon generation:


Contact us if you can't find the generation of your car in our application list. If it's a recent generation, the E3 Performance tuning box might be in development.