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halogodx · 10-12-2010, 07:43 PM

The reason it sounds louder is because the engine run's at a slightly higher RPM to warm up on a cold day. Usually normal warm day it'll run at about 1000 RPM and on cold day 1300 RPM

10-12-2010, 07:43 PM	#2 (permalink)
halogodx Base Member Join Date: Sep 2009 Location: daytona beach Posts: 93 Drives: 09 nissan 370z 7AT Rep Power: 16	The reason it sounds louder is because the engine run's at a slightly higher RPM to warm up on a cold day. Usually normal warm day it'll run at about 1000 RPM and on cold day 1300 RPM