33-2356) for certain 2004 through 2011 Cadillac STS and Cadillac SRX models . The washable, reusable, panel air filter is designed to increase horsepower and acceleration, while providing excellent filtration.
Each K&N Air Filter is custom designed to fit in the factory air box and requires no modifications. "This K&N Air Filter (33-2356) has two tabs to ensure proper alignment in the air box," said Joost Adriians, K&N Filter Project Manager. "The ridges make the K&N Air Filter sturdier and are designed for a secure fit in the air box."
K&N has sold more than twenty million replacement air filters. There is a great deal of engineering behind every K&N Air Filter.
K&N invented the concept of washable, reusable filters since 1969. Each filter is custom designed to fit in the factory air box and requires no modifications.
K&N's stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.
Find K&N products for your vehicle using the K&N application search then use the K&N dealer search to find a K&N dealer in your part of the world.