K&N Drycharger Air Filter Wrap Black Custom - RF-1042DK fits_1999-2002`Audi`S4 while a machined aluminum adapters

while a machined aluminum adapters ensures a perfect seal from intake to compressor

ideal for early mornings and relaxed highway cruising

4 Gallon Polished Aluminum Tank

100% Hand MIG-Welded

K&N Drycharger Air Filter Wrap Black Custom - RF-1042DK fits_1999-2002`Audi`S4 while a machined aluminum adaptersThe K&N Drycharger is a silicone treated, polyester wrap that is made to cover K&N Air Filters or Personal Watercraft Flame Arrestors. These Drychargers, which are similar to the K&N Prechargers, contain uniform micron sized openings that allow high air flow. Yet, due to the Drychargers silicone treated polyester wrap, the amount of water that reaches the air filter or flame arrestor is limited. Features & Benefits Water Repellent Treatment Typically