BMW 3-Series (E90 E92) Forum - View Single Post

EPOS · 09-01-2012, 05:37 PM

It's a dual stage intake by design. Tuned for lowend torque and high end power. Once again the IS-F uses a similar design. The only reason I can see why a hose is attached is to prevent water from entering the box. Without the hose it is exposed.

09-01-2012, 05:37 PM	#27
EPOS Second Lieutenant 14 Rep 204 Posts Drives: E90 M3 Join Date: Oct 2011 Location: Toronto iTrader: (2)	It's a dual stage intake by design. Tuned for lowend torque and high end power. Once again the IS-F uses a similar design. The only reason I can see why a hose is attached is to prevent water from entering the box. Without the hose it is exposed.
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