Aftermarket air filter, or not?
#1
04-23-2007, 02:18 PM
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Aftermarket air filter, or not?
I recently purchased a 2007 F-150 with the 5.4L engine. I am wanting to add some mild modifications and was wondering if aftermarket air filters, such as K&N, are worth the money. I see they advertise a performance gain, but are those gains noticeable. Any opinions you can offer would be appreciated.
#2
04-23-2007, 10:45 PM
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