Welcome to the forum, what Dual cab have you got? D22? or D40? we will need to know that and it will also get you to the best spot for all the info you need.
The search function is super helpful and will reveal miles of threads answering the exact question you are asking as just about every new owner has asked that question.
Or just click on the "FORUM" button on the top left of the screen and scroll down to either the D22 or D40 suspension forums and read to your hearts content, you can also look through the members build threads and see what others are running.