K&N 57A-6021

Intake Kits > Performance Intake Kit
List Price: $415.80
Your Price: USD $228.99

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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 Included2
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
Weight5.4 lb (2.4 kg)

Customer Feedback

Be the first to review part 57A-6021
Replaced my OEM filter with this after car had a remap,perfomance and economy are as great as I have ever known for this Citroen DS3 1.6 E HDI. Thanks K&N

Great product and it fits perfectly. It's great that they have a filter for a 1982 Citroen CX.

G McNulty
Llanelli, Wales
Not the first time that I use your products ( Volvo 460 & Citroen BX with carburators / K&N - 56-1651,Renault Clio 1.2 / K&N RX extreme series ), and now this one in Fiat 500L with 1.4 engine. All are great, I hope you'll make oil and fuel filters to for my Fiat. Sorry on my english, whish you all the best.

Mladen Tesic ( Teshech )
Serbia, Zrenjanin