Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

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Old Nov 29, 2003 | 10:45 AM
  #2  
iLoqin's Avatar
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From: No Way
Car Info: Nadda
Stock I believe is the best decision. Some if not all other intakes cause the car to run rich, yes it doesn't make sense. The intake is giving off a misfire signal that's causing some rexes to run REAL rich enough to impact performance. Just use the stock box.

If you're wanting performance, get the helix Uppipe. That's the bang for the buck.
Old Nov 29, 2003 | 11:25 AM
  #3  
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Car Info: 02 Impreza WRX sedan
Origami posted by wrxwagon2b
Which is better to have on a stock WRX, a "cold air intake", "short ram", or just stay stock?
Good question, and one seldom asked. Just kidding.


A popular opinion on cold-air intakes. To reinforce the author's position, I've seen cars run fairly regularly at the track (road course lap days) and drag strip that still retain the factory snorkle and airbox. These are folks that have gone with upgraded turbos, bigger fuel injectors, and tuned engine management, and full turbo back exhausts, and with all of these mods they have still not felt the need for a cold-air intake or any other aftermarket piece.

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Old Nov 29, 2003 | 11:36 AM
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I agree with both of the above posts.

Additionally, if you add intake, you'll likely get an immediate Check Engine Light (CEL).
Old Nov 29, 2003 | 12:39 PM
  #5  
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go stock, but get the zerosports pipe~
Old Nov 29, 2003 | 04:39 PM
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Choku Dori's Avatar
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Stay stock, consider the zerosports pipe like cann said, and change the panel filter to a Green or Perrin (or K&N if you really want a K&N)
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