Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - Replacing air box with K&N air filter. HELP
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Old 08-10-2009, 07:33 PM   #12
MaroonZX3
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Join Date: Aug 2007
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Location: Livonia, MI
What I Drive: 2003 Red ZX3

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Quote:
Originally Posted by mikebontoft View Post
I just left the lower box on. That way I still have the useless air snorkel on it as well as not having to bother with a breather valve filter
That is a good idea, and the air snorkel may not be as useless as you think. It does bring in some cool air. Especially if you swap in an SVT snorkel.
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