Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

Closed Deck vs Semi-Closed

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Old Dec 13, 2004 | 10:41 PM
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From: Alameda, CA, USA
Car Info: 02 Black Legacy GT
Here is open deck:



Here is closed deck:



Here is semi-closed deck:



Closed deck is the strongest one of the 3. But, cooling is better on the open deck. So semi-closed is a good compromise.

For most people/applciations, semi-closed is good enough. Closed decks are really "overdone" and will take pretty much any boost and NOS.
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