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Old 01-04-2009, 06:43 PM   #1
redwrxhead
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Join Date: Aug 2007
Default sti heads vs wrx heads

ok so i have a 2.5 block and im trying to decide which heads to go with. what are the differences between the wrx heads, STI heads, and JDM V7 sti heads. i know the AVCS difference but what else? and could i use the stock wrx ecu with either of them besides the wrx heads?

thanks in advance for the info
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