Here is our instructions page. Please select from the available instructions for your specific model of vehicle.
(note all nissan / infinit with VQ37 3.7L engine will use the 370z instructions)
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Toyota Tacoma 2GR-FKS:
(MazdaEdit Mazda 3 / 6 / skyactiv)
EcuTek MX5 / 370Z
INFINITI / NISSAN ECUTEK VR30 INSTRUCTIONS
HANDHELD TUNER INSTRUCTIONS