BMW M3 Forum (E90 E92) - View Single Post

Munit · 12-02-2012, 08:22 PM

Considering normal m3's with a catless/HFC exhaust and an air filter make 375whp, I do not think a 4.4 L bored out factor motor is making the same power even with its cat's in place.

12-02-2012, 08:22 PM	#8
Munit Banned 33 Rep 220 Posts Drives: m3 Join Date: Oct 2012 Location: CA iTrader: (0)	Considering normal m3's with a catless/HFC exhaust and an air filter make 375whp, I do not think a 4.4 L bored out factor motor is making the same power even with its cat's in place.
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