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      09-23-2008, 10:20 PM   #9
simp0man
Not looking 2 SPEED, just looking GOOD
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Drives: 07 328i
Join Date: Apr 2007
Location: Stockton, Ca

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2007 328i  [0.00]
No matter what you put in, the engine will only suck what it can regardless of what you put on. The idea is to expose the intake to more cooler air. So to help, a ram air scoop will help along with a K&N filter to increase better flow of air to the intake. Simple as that, anything else is more for sound increase. The closed box is best at keeping heat from entering the intake. Think about it...
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