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Old 2009-10-11, 02:18 PM   #5
supraluke
EJ18
 
Join Date: Dec 2007
Posts: 42
 
Car: 2007 Subaru WRB STi
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Why? Equal length is better. Makes higher HP, doesn't superheat the #2 and 4 cylinders, sounds better, and doesn't set off every car alarm you drive by.
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