Max horsepower output with stock K04 turbo on 2012 Regal GS

12GST

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I was wondering what the max hp you can get out of a stock K04 turbo on a 2012 Regal GS. At the moment I only want to take the car to 350whp without replacing internals. In the future I may want to go up to 400 but then I would upgrade the turbo and get the front mount intercooler.

My plan is to add the following:
zzp CAI
forge bov
resonator+muffler delete
-(replace with a borla xr-1), 3" Y and straight pipe to the tips
zzp downpipe
Tune

Possibly
E85 conversion
zzp camshaft with upgraded fuel lobe
upgrade coil packs and plugs

I am more than willing to take feedback and advice. This will primarily be a street car/pleasure driving. I would like to take it to a track a somepoint just for fun and have fun driving it on the streets. Again any feedback, input and suggestions are welcome.
 
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