Air Filter For Intake Kits 75-2556-1 Oiled Cotton Cleanable Red S&B Fuel Delivery~Fuel Injectors - Diesel We recommend running a 100-400%

We recommend running a 100-400% nozzle with these depending on your goals

Maintains Factory Function

but the charging system is often overlooked until it leaves you stranded

we always recommend you check your fuel pressure under load after installation

4L Powerstroke hold you back

Air Filter For Intake Kits 75-2556-1 Oiled Cotton Cleanable Red S&B Fuel Delivery~Fuel Injectors - Diesel We recommend running a 100-400%Air Filter (Cotton Cleanable) For Intake Kits: 75 2556 1 Replacement Filters For your S&B Cold Air Intake are available with cotton (Cleanable) or dry (Extendable) filter media. Both offer similar performance characteristics, so the decision comes down to how you want to maintain your filter. Cotton (Cleanable)8 layer cotton filter media with red oil. Can be Cleaned and re oiled. Easy to maintain using our Precision II Cleaning Kit. Details: Filter