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					Originally Posted by  FWB
					 
				 
				performance secret to a subaru is to crush it,.....then build a cobra that has ten times the horsepower. 
			
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 My 2005 Saab 9-2X Aero (which is mechanically identical to a Subaru WRX) will do 0-60 in just over 4 seconds. It also has room to spare for 4 adults and a week's worth of luggage.
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					Originally Posted by  wilkinse
					 
				 
				... my current car(just got it 2 days ago) is a subaru forester with a 2.5L EJ251 flat 4 engine... 
 
I will list some of the performance stuff i already know... 
			
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 That's all a waste of time with a naturally aspirated Subaru engine. About the best you can do with the EJ251 is cams and an ECU tune which, if you're lucky, will get you to about 130hp at the wheels.
You can swap in the WRX or STi engine with relatively little effort and put larger turbo on it. At that point, the sky is the limit: 500hp is pretty easy, and 800hp or more is doable with meth injection on an upgraded block.