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K&N 57S-4000 5.0 out of 5 stars 2 Customer Reviews
57i Series Kits > Performance Intake Kit

 List Price: $301.32
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K&N's 57S Performance Airboxes increase horsepower and acceleration by dramatically reducing air flow restriction caused by the original factory design. They come with K&N's Million-Mile Limited Warranty. 57S series airboxes replace the factory air filter housing with a fully enclosed injection modified air box containing a reusable K&N air filter. Installation is easy as they are specifically engineered to use factory holes and mounting points. No additional hardware, cutting or drilling is required. [MORE]
  • Increases power
  • Outstanding filtration
  • Washable and reusable air filter
  • Easy installation
  • K&N million mile limited warranty
Available Information
Installation Instruction Sheet
57S-4000 Vehicle Applications
News Story - K&N Produces 57S Performance Airbox System for Volvo V70, V40, C30, Ford Kuga, Grand C-Max and More
TUV Approval Document

Part 57S-4000 Product Specifications
Product Style: 57i Series International Kits
Replacement Filter: E-9289
Air Filter Color: Red
Air Filter Outlet Shape: Round
Street Legal In All US States: No
Air Filter Height: 7.688 in (195 mm)
TUV Approved (Europe): See Application Link Above
Air Filter Material: Cotton Gauze
Clamp Material: Stainless Steel
Clamp Style: Regular
Type: Gen I
Intake Pipe Color / Finish: None
Intake Pipe Ports: All intake tube ports needed for the specified applications are included
Vacuum Tubing Included: No
California Restricted: Not legal for sale or use in California
Mass Air Flow Sensor Adapter Included: Mass Air Flow Sensor Adapter Included When Required
TUV Certificate Number: TU-025979-A0-206
Weight: 4.2 lb (1.9 kg)
Product Box Length: 15.34 in (390 mm)
Product Box Width: 11.81 in (300 mm)
Product Box Height: 11.81 in (300 mm)

Product Reviews      Review part 57S-4000

 I tried the kit 57S-4000 with exchange filter from K&N with the new lid for the air box. Just looking at the product and thinking about the idea of putting in a bigger filter by making a new bigger lid of the air filter is in my world is brilliant. The work putting it on was super easy and with good fittings, and with an easy manual. The performance was noticeably better through all the revs. And the best part of all was that the fuel consumption went down below the car manufacturer’s data. This kit cost a lot, but it really works and it will save you fuel, and by the time it will actually pay it self off. I recommend this K&N kit to all Volvo V40 D2 owners.
Andreas Roger Consitt, Sweden / Lund
 Fitted to 163PS TDCI MK3 Focus, previously used the E-2993 filter in my MK2.5 TDCI Focus, and could have used it in my MK3, but decided I wanted a little more performance and growl from my diesel. Easily fitted, performs great and more so when pushing the car with a Bluefin remap up to 185PS. I have cleaned it once so far and it has been fitted now for 7 months. Well worth the upgrade.
Highlander UK, Scotland