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      11-13-2012, 09:50 PM   #95
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7" will provide better cooling if you're running higher than stock boost levels in the mid to upper rpm range when the turbos are out of their efficiency range and it will potentially heat soak less in really warm/humid climates.

The only downside is there's a bit more pressure drop but from my 5" to 7" comparisons, it has been too small of an amount to matter. The pro's of better cooling outweigh the cons of a bit more pressure drop any day.
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