K&N Performance Air Intake System (57S-4001)

K&N Performance Air Intake System (57S-4001)K&N 57i Generation II Induction Kits are built primarily for European vehicles. They come with K&N's No Hassle Lifetime Limited Warranty. These intake kits use only non metallic rotationally molded tubes that can reduce air temperature and decrease intake sound over a metal tube. Restriction can exist BETWEEN an air filter and the engine reducing the benefit of a K&N Air Filter alone. The weakest link in the airflow chain robs a vehicle of its natural

The Apollo's shell reduces heat build-up and feeds cool air into your engine

so it can be washed with K&N synthetic air filter cleaner then reinstalled to use again and again

Buy with confidence under the K&N® 10-Year/Million Mile Limited Warranty™

Connects a 3 inch to a 2-1/2 inch tube

and backed by K&N's No-Hassle Lifetime Limited Warranty

Filter only requires cleaning every 100

The aerodynamically engineered tube drives a massive amount of air into an engine

Carbon fiber intake tube paired with an oversized oiled cotton air filter

Sierra 1500

10-Year/Million Mile Limited Warranty™

The oversized custom-shaped air filter can be used for up to 100

All adapters are made from high quality materials such as steel