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      11-27-2012, 02:01 AM   #22
radiantm3
Apex Everything!
 
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Drives: >1000 HP in my garage
Join Date: Sep 2008
Location: Danville, CA

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2011 E92 M3  [4.80]
2013 BMW X5M  [4.33]
Quote:
Originally Posted by henry0109 View Post
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 about 50 HP gain.
The slip-on also saves a considerable amount of weight which none of the other exhaust really do and weight is the enemy here.
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