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      10-07-2012, 02:08 PM   #43
w00tw00t
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Drives: 2015 AY M4
Join Date: Oct 2010
Location: Issaquah, WA

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Quote:
Originally Posted by sycd View Post
Cold start is there to warm the catalytic converters so that they can reach their operating temperature more quickly, where they are the most efficient. If you get rid of your cats, for example with an Evo Akra system, cold start is useless.
The Evo system comes with HFCs..