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			Most likely yes. You need the capability to run larger injectors. This can be anything from an RTEK to maybe an S-AFC.  ***Were you running more than 8psi w/o and FCD?*** 
  
I run a stock turbo at around 11psi with an RTEK 2.0 with 750cc secondaries. If I got the BNR stage 1 the least I would to would be to go with 720cc primaries for safety sake. Anything more than that and I would want to go standalone, which isn't stock ECU and harness. 
  
Rtek 2.0 upgrade is $450 plus a palm ($30ish) and gives you a ton of features for the stock ECU setup on budget and is plug-n-play.  Injectors are around $100.
		 
		
		
		
		
		
		
			
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