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E30 Racer · 11-25-2012, 11:46 AM

This what I'm curious about. The Forge IC is nice, but with higher and sustained boost, I wonder how it actually performs compared to the larger ER, AMS, or HPF offerings.

11-25-2012, 11:46 AM	#8
E30 Racer Private First Class Drives: '11 1M, '99 540i/6, '89 325is Join Date: Aug 2011 Location: Ohio Posts: 165 iTrader: (1)	This what I'm curious about. The Forge IC is nice, but with higher and sustained boost, I wonder how it actually performs compared to the larger ER, AMS, or HPF offerings.