Got a few questions about this turbo.

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1.

What's the difference between TD06 15g and 25g, are there different types of TD06?

2.

What's the difference between the Greddy, ATS and XS models??

3.

Is it possible to add an external wastegate to any of these?

4.

Apart from oil lines, adapter plate(T3?), and the turbo, what is needed to make it fit? Custom downpipe?? Actuator?

5.

Lastly.

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.I've read that their is a rebuild kit available for the TD06? and it's much cheaper to rebuild than the GT28, is that true?

Please dont start the GT28 vs TD06 debate

Thanks in advance guys
