aFe Pro Dry S Air Filter Elements 21-90018 turbos or in a gauge pod

or in a gauge pod for constant live monitoring

Give your E4OD/4R100 the cooling headroom it needs to survive heavy towing and high-horsepower builds

This aFe Pro GUARD 7 drop-in air filter element (SKU: afe-pro-guard-7-air-filter-elements-73-80102) is a direct replacement for vehicles requiring part number 73-80102 that swaps out your restrictive OEM paper filter for a high-flow performance alternative

and Performance for maximum power — are selectable on the fly via a handheld remote

The mellow daily-driver character with a sharp bite under load transforms the driving experience from the first cold start

aFe Pro Dry S Air Filter Elements 21-90018 turbos or in a gauge podThis aFe Pro Dry S drop in air filter element (SKU: afe pro dry s air filter elements 21 90018) is a direct replacement for vehicles requiring part number 21 90018 that swaps out your restrictive OEM paper filter for a high flow performance alternative. It is one of the simplest upgrades you can make to your engine's air intake system, delivering sharper throttle response and measurable gains without any modifications. The Pro Dry S uses three layer