pre filter and what is better oiled or dry
Sinister Diesel Cold Air Intake for 2017-2019 Ford Powerstroke 6.7L F250 F350 F450
Just what to know which filter is better and what’s a pre filter
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Open Jan 12, 2026 - 09:42 AM
1answer
Answer
Jan 12, 2026 - 09:42 AM
This choice is really a matter of personal preference. Filtration between the two is nearly identical—the dry filter is just a bit less restrictive, but this doesn’t affect overall filter performance. The main difference is whether you prefer servicing your filter with our cleaning/oil kit or simply replacing the filter when it’s time.
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