Staff Answer
Jun 01, 2026 - 02:31 PM
The pre-filter is a specially designed cover that fits over the filter element of your Sinister Diesel Cold Air Intake for 2017-2019 Ford Powerstroke 6.7L F250 F350 F450. It provides extra protection for your 6.7 Powerstroke cold air intake in ultra-fine dust or sand conditions.Link to the part Pre-Filter
