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      10-04-2012, 10:29 PM   #14
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Drives: 08 Jet Black E90 M3
Join Date: Jul 2010
Location: Queens, NY

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Originally Posted by e90beast View Post
can someone explain to me what the purpose of the DP's are and if i havent done any engine mods yet other than removed the secondary cats will i be able to install these?
These free up a lot of power, 20-35 horsies depending on whether you are tuned.
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