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Old 10-26-2012, 07:49 PM   #17
braves011
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Join Date: Feb 2011
Location: Navarre, FL
Posts: 29
My Ride: 330i ZHP Imola
not completely true. I used have a 2008 X-Runner and did some dyno pulls before and after a K&N CAI (3 pulls before and 3 pulls after) the gain wasn't much only about 3-4hp average and for the $200-$300 you spend on one really isn't worth it unless you've just run out of money.
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