K&N direct high performance replacement for the original panel air filter.
Constructed from a cotton weave with high air flow yet excellent filtration.
Designed to increase horsepower and acceleration, air filter is fully washable and re-usable, will NOT void vehicle warranty, lasts up to 50,000 miles before cleaning is required (depends on driving conditions).
K&N 'Million Mile Limited Warranty' making it very economical and environmentally friendly as a K&N air filter will last the life of your car.
Direct replacement for all Impreza Turbo models from 1992 - 2007 including the 2.5L STi.
Part Ref: 33-2232
