H2E vs GTP38R. stage 1s vs stock AD's

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In the long run whatt turbo is better?
Hypermax h2e or the garrett 38R.

I understand I need superduty up pipes and manifolds

Garret is 1300I vs 3500 for H2E


Looking to go 200/300 down the line

Also are stock AD injectors 140-160cc?

Are they considered a stage one upgrade?

Shave 120cc splitshotts now. Will the Ad's being split shots effect performance?