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K&N 57A-6018 Performance Air Intake System
The K&N 57A-6018 Performance Air Intake System fits some Subaru Impreza II WRX, Subaru Impreza II WRX STI, and Subaru Impreza WRX models. See vehicle applications link for details.
- Outer shell keeps engine heat out
- Fresh air inlet
- Washable reusable air filter
- Outstanding air filtration
K&N Apollo Cold Air Induction Systems incorporate a washable/reusable K&N High-Flow Air Filter within a protective shell. They come with custom mounting hardware to fit specific vehicle applications. The Apollo's shell reduces heat build-up and feeds cool air into your engine, resulting in improved volumetric efficiency and increased power gains. Apollo Cold Air Induction Systems allow for updating your vehicle's intake system while retaining a closed environment.