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      07-22-2009, 01:23 PM   #12
jtsherri
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Drives: TBD
Join Date: Aug 2008
Location: Metro Detroit, MI


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2008 135i  [5.00]
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Quote:
Originally Posted by Autobahn335i View Post
Hp difference between catted and catless DP is only 5hp.
No offense, but you need to do more homework on this subject. As one adds more mods, the gains between catted vs. non-catted will yield more and more power (especially once custom tunes become commonplace). Even high-flow cats are restrictive and unless you live in a state where they check emissions or you're a bigtime tree hugger (which is fine too), running cats is like throwing money & easy (and significant) power out the window...

As-always, to each their own.