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      05-07-2012, 06:21 PM   #5
torqnDC
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Drives: 2011 335i E92
Join Date: Feb 2011
Location: Arlington, VA

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Performance boost isn't what you'll see from a catless but the sound is awesome and it lets the turbo spool much quicker and louder. If you have a JB4, you can run it in map 2 with this downpipe and 93 octane. Definitely a step up from the stock DP.