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			From my experience, ported motors spike sooner and then have a lot of trouble holding boost in higher RPM's. 
 
Stock ports with full exhaust is going to creep if your turbo is stock. Keep in mind if you have a FCD and are using the stock boost gauge to read your boost then you will not show any creep at all on that gauge because of what the FCD does.
		 
		
		
		
		
		
		
		
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