Quote:
Originally Posted by JSH
Roto-fab today:
The oiled filter has traditionally made more power than the dry. Feedback from many of our tuner/dealers supports the choice to use oiled filters as the best for power. Although the oiled filter is the best choice for power, recent technology has allowed the dry filter to close the power gap significantly.
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That doesn't really tell us anything as it regards to this discussion. The fact is, almost all aftermarket filters that are made for high performance use are oiled. Rotofab is in the business of selling their product and they offer a dry filter for their standard Rotofab intake, but the Big Gulp which is designed for higher power applications only comes with an oiled filter, no dry filter option. There's a reason for that.