Quote:
Originally Posted by Roto-fab 1
On N/A vehicles, the dry filter will reduce HP gain by about 2 HP. If you or someone you know has experienced a problem with MAF readings due to oil on the MAF sensor, you will probably go with the dry filter. Most go with the oil version for the little extra power and slightly smaller price tag.
BTW, thanks for moving us to #1 on your list! 
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Just to clear up advantages/disadvantages of the dry air filter help me out here...
1. I read that dry air filters decrease air flow slightly (as above stated)
2. I read in other forums that dry air filters, are better at filtering fine particulate matter, is this correct?
3. Dry air filters can be washed and reused basically forever?
4. Look blue in color?
5. made from polyester matrix?
I just ordered one, so I like to know a little bit more about them.
Thanks, and sorry if I dont know my head from my a$$