[&:]HeyI was just wondering if anyone knows how much boost over stock can you go with stock internals because i just got some boost controlers and i dont want to kill my engine

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The stock internals can hold much more then the turbo can put out.
K03's fall off really hard after 17ish PSI.

I would not run it just off the MBC, it will throw a cel & put the car in limp mode. Your better off just getting a chip, & having fun with it.

 

So you are saying that adding the MBC will actualy cause less power?

 

Yes, it can cause massive power lose. We have a N75 valve that does a great job at controlling boost.
In the Audi you just can't up boost with out adding more fuel, & changing the timing. If you remove the N75, you will get a CEL.

The only use on a 2.7t for a MBC is a K04 car to control boost spikes, & that's put in parallel with the N75.

If you want more boost, get a chip installed.

 

ok thanks what if i get the chip that apr offers would it help then?

 

apr is a good chip, but giac and mtm have the best chips if your looking for quality.