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K&N 57-0394 Air Intake

57i Series Kits > Performance Air Intake System
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.7 out of 5 stars   7 Customer Reviews
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Replaces entire factory air intake system
  • Not legal for highway use in states adopting California emission regulations
  • Washable and reusable lifetime air filter
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
  • K&N Million Mile Limited Warranty®
The K&N 57-0394 Air Intake fits some Volkswagen Beetle models. See vehicle applications link for details.
K&N 57i Series induction kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box. These economical kits can take a variety of different forms based on vehicle characteristics and available space under the hood. Each kit is designed to provide power throughout the RPM range. The extra surface area of these open-air air filters provides even more airflow at lower restriction than a K&N O/E replacement filter which is limited to the size of the factory air box. The larger air filter also captures and holds more dirt increasing its service life before a cleaning is required (up to 100,000 miles). The filter is either directly attached to the engine carburetor or throttle body or indirectly through a tube assembly running from the filter to the engine. All adapters are made from high quality materials such as steel, aluminum, silicon or reinforced nylon to ensure long life. 57i Intakes are not legal for use in California and other US States adopting California emission standards.

[More Information on K&N 57i Induction Systems]

Product Specifications

Air Filter ColorRed
Air Filter Height5 in (127 mm)
Air Filter Large End Diameter5.375 in (137 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Base Outside Diameter5.375 in (137 mm)
California RestrictedNot legal for sale or use in California
Clamp MaterialSteel
Clamp StyleRegular
Clamps Included5
Flange Inside Diameter4 in (102 mm)
Flange Length0.625 in (16 mm)
Flange TypeCentered
Height5 in (127 mm)
Intake Pipe Color / FinishBlack
Intake Pipe MaterialRubber
Product Box Height9 in (229 mm)
Product Box Length9 in (229 mm)
Product Box Width9 in (229 mm)
Product Style57i Series International Kits
Replacement FilterRC-3600
Street Legal In All US States No
Top Material/FinishChrome
Top Outside Diameter4.5 in (114 mm)
Top StyleMetal
TUV Approved (Europe)No
TypeGen I
Weight3.6 lb (1.6 kg)

K&N 57-0394 Air Intake Product Reviews

Monday, June 27, 2016 - Part 57-0394
Excellent product, easy installation. One recommendation is that since no video is available the website photos should have the ability to expand to a larger view to be able to have a closer look for us novice mechanic's.

E. Powell
Huntersville, North Carolina
Friday, May 27, 2016 - Part 57-0394
I absolutely love it. I can feel the difference.

Aaron Davis
Monday, September 14, 2015 - Part 57-0394
Damn, is all I can say. Not sure about mileage yet, throttle response is great and extra HP is awesome. When I choose to romp on it, it delivers. Sound and HP. It sounds real sweet too and this is just a weeny 2001 Beetle with a 2.0.

Chris Brodbeck
Derby, Kansas
Wednesday, June 24, 2015 - Part 57-0394
Absolutely great addition to my 2000 VW Beetle GLS 2.0L You can feel and hear the difference it made immediately. I use an intake kit on all my vehicles and would recommend them to anyone who wants to increase their vehicles performance and efficientcy.

Courtenay, British Columbia, Canada
Monday, April 27, 2015 - Part 57-0394
I'll give it a 4 1/2 stars out of 5. Had to adjust the air intake with a rotary file and adjust small air intake filter. Otherwise i'm very pleased and would recommend this product to anyone .

Lawrence Cracium
North Carolina
Sunday, November 23, 2014 - Part 57-0394
It was harder to remove the crap that was in there than it was to install the new system. 45 min. to get it out 15 min. to replace it. The car runs so much better and the acceleration is 100% improved.

Ted Hartley
Thursday, June 12, 2014 - Part 57-0394
Easy install took me 30 minutes. I can tell a difference in acceleration and power.