They are mac filters and appear to the naked eye to be the same thing. I dont know if there is a difference in flow characteristics. If there is, I'm sure its minimal. But as far as performance goes, garbage. If you want it for the looks, thats another story.
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'90 GT Under construction
Best E.T. = Fast @ High Speeds - OK So I Lie. So What!!!  
04 F-150 STX 4.2L 5 spd
Rice Haters Club Member #128
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