K&N 57A-6018

Intake Kits > Performance Intake Kit
List Price: $433.91
Your Price: USD $238.99

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

Product Specifications

Air Filter ColorRed
Air Filter Height4.875 in (124 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeNot Flanged
California RestrictedNot legal for sale or use in California
Clamp MaterialSteel
Clamp StyleRegular
Clamps Included4
Couplers Included1
Product Box Height10 in (254 mm)
Product Box Length10 in (254 mm)
Product Box Width10 in (254 mm)
Product Style57i Series International Kits
Replacement FilterRC-5052
Street Legal In All US States No
TUV Approved (Europe)No
TypeGen I
Weight4.9 lb (2.2 kg)

Customer Feedback

Be the first to review part 57A-6018
So far, I'm very pleased. I'm getting about 10-12 better milage around town. This is from the readout on the dash, not my calculations. This is on a 2014 Subaru Crosstrek. I was getting about 26.3 average, now 29.1 mpg.

Richard Tatoyan
Modesto, CA
I replaced the OEM air filter in our 2013 Subaru Crosstrek XV with the K&N 33-2304 replacement filter. The K&N filter was a perfect fit and took only minutes to install. I have K&N filters installed on all my vehicles. We do a lot of off-highway driving, which requires cleaning the air filter at more than normal intervals. K&N filters are simple to clean and maintain and don't require any special skills to do the job. I highly recommend K&N filters for any kind of vehicle, whether for on or off-highway.

Mike D
Corona, CA
Does NOT properly fit 2014 Subaru Outback 3.6. A 1/4 inch gap exists on either side (L and R) when the filter is PROPERLY installed. VERY DISAPPOINTING AFTER WAITING FOR THIS TO COME OFF OF BACK ORDER.I called and your rep said it was the 'correct size. Since it is undersized, when the recirc feature is ON in the car, outside air can still enter the system.

John Safranek
Denton, TX