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Debating - Need HELP Major

   
Old Nov 3, 2009 | 06:43 PM
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futurerx06
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From: Fairfax, VA
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2004 525i

ECU Tuning from Singh $594 = increase 16-17HP and feel difference when accelerating? I am assume

or

NOT Worth Getting it

or

Just get an RPI Exhaust and be over with it
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