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.

Fitment
WRX and STI Hatchback 2008-2012

Outer shell keeps engine heat out
Fresh air inlet
Washable reusable air filter
Outstanding air filtration

Product Specifications

Air Filter Color Red
Air Filter Height 4.875 in (124 mm)
Air Filter Material Cotton Gauze
Air Filter Outlet Shape Round
California Restricted Not legal for sale or use in California
Clamp Material Steel
Clamp Style Regular
Clamps Included 4
Couplers Included 2
Product Box Height 10 in (254 mm)
Product Box Length 10 in (254 mm)
Product Box Width 10 in (254 mm)
Product Style 57i Series International Kits
Replacement Filter RC-5052
Street Legal In All US States No
TUV Approved (Europe) No
Type Gen I
Weight 3.2 lb (1.4 kg)