Thread: notice any gains/sound if...
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      04-10-2012, 11:18 PM   #6
tibra1
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Drives: 2011 ZCP M3 - 2007 335i crashd
Join Date: Apr 2009
Location: NYC

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Quote:
Originally Posted by Dellort_M3 View Post
Axle back exhaust - +5hp
Green filter - +4hp
Air scoops - +47whp
That should sum it up
More like air scoops will help you scoop 47 more bugs per mile
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