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      11-27-2012, 12:33 AM   #19
henry0109
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Drives: 2008 e92 M3
Join Date: Nov 2012
Location: San Diego

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IMO, For performance Mod in $3500. don't get the slip on. it doesnt give you much HP, but it gives better tone and looks better.
1. AFE AIR FILTER $100
2. TUNE $1000
3. Pulley $400
4. Mid pipe $2000 OR
Get a test pipe for $500, and trade light rims for $1500 (recommend)

give over 50 HP gain.

Last edited by henry0109; 11-27-2012 at 05:02 AM.