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      06-14-2009, 10:32 PM   #5
scottp999
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Drives: 4runner SR5
Join Date: Mar 2007
Location: MD

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2007 BMW 335  [4.50]
Quote:
Originally Posted by shiv@vishnu View Post
Stg 1-- stock and mild bolt-on (intake, cat-back, dps, etc,.)
Stg 2-- intake and no cats
Stg 3-- intake, no cats and FMIC

There is some flexibility with those requirements of course. Just don't use a map that is too aggressive for your mods.

Shiv
Do some datalogging of stage 2 and stage 3. High flow cats flow at about double the CFM of stock.