PSI Power Tuning Products

  • Discovery 4 & Range Rover Sport Power Tuning Box PSI - DA4435

    Discovery 4 & Range Rover Sport Power Tuning Box PSI

    PSI

    The Power Box houses a digital microprocessor which intercepts the fuelling signals being transmitted from the ECU to the fuel pump, it then modifies them to ensure the exact amount of diesel required for enhanced performance. Such efficient use of the...

    £571.66 (Inc. VAT)
    Add to Cart
  • Discovery 3 & Range Rover Sport Power Tuning Box PSI - DA4434

    Discovery 3 & Range Rover Sport Power Tuning Box PSI

    PSI

    The Power Box houses a digital microprocessor which intercepts the fuelling signals being transmitted from the ECU to the fuel pump, it then modifies them to ensure the exact amount of diesel required for enhanced performance. Such efficient use of...

    £566.87 (Inc. VAT)
    Add to Cart