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57i Series Kits > Performance Intake Kit

 List Price: $205.89
Your Price: $118.99

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57-0666
 
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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 provide even more airflow at lower restriction than a K&N O/E replacement filter which is always 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 57i Induction Systems]
  • 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®
Available Information
Installation Instruction Sheet
57-0666 Vehicle Applications
News Story - Add Performance to Your 2007 Toyota Yaris with the New K&N 57i Air Induction Kit


Part 57-0666 Product Specifications
Product Style: 57i Series International Kits
Replacement Filter: RC-1637
Air Filter Color: Red
Air Filter Outlet Shape: Round
Street Legal In All US States: No
Air Filter Height: 5.5 in (140 mm)
TUV Approved (Europe): No
Air Filter Material: Cotton Gauze
Clamps Included: 1
Clamp Material: Stainless Steel
Clamp Style: Regular
Type: Gen I
Intake Pipe Color / Finish: Black
Intake Pipe Ports: All intake tube ports needed for the specified applications are included
Vacuum Tubing Included: No
Air Filter Large End Diameter: 5.75 in (146 mm)
California Restricted: Not legal for sale or use in California
Mass Air Flow Sensor Adapter Included: Mass Air Flow Sensor Adapter Included When Required
Weight: 2 lb (0.9 kg)
Product Box Length: 9 in (229 mm)
Product Box Width: 9 in (229 mm)
Product Box Height: 9 in (229 mm)



Customer Feedback      Be the first to review part 57-0666

Dear K&N team,
You encourage your customers to send you their results. So these are mine:

I am from southern Germany. I used to drive an old VW Golf from 1988. A few years ago I replaced the original foam filter with a K&N filter charger. Because I had driven the car a few years at that time I immediately recognized a slight improvement of performance; moreover, my car had more torque and needed less fuel. But the effect was really just above to be noticed.

Now I have a new car, brand new this time, a Toyota Yaris 1,0L. I replaced the original air filter after about 4000 kilometers with a K&N filter charger. I noticed during change that the K&N is VERY thin compared with the original filter (which is cotton too, I think). I even breathed through the original, what left me exhausted ;) because it was so thick. I never had any problems with the K&N filter while it was in my VW Golf, so I put that thin thing into my new car and took it for a ride. What shall I say? The effect was overwhelming. My car now has more torque, more power, goes faster AND needs less fuel. I know this sounds impossible, but it is true. I can drive 140 to 150 kilometers per hours with about 6,5 or even 6,0 liters of fuel! I calculated after a few weeks and I found out that my car now needs about 0,5 to 0,75 liters less fuel than before the filter change!

I will recommend K&N filters to all my friends & family. I should mention that the reason I bought K&N filters was in the first place for making my car more environment-friendly. That they did help me with for both of my cars.

Thank you very much for this high-quality product!

All the best & greetings from Germany,
Christian Daser, Traunstein, Germany
Increased HP and .5 to 1 mpg increase. One indirect problem. The air box on the Tundra sits on top of the main wiring harness. The K&N intake opens the space and makes for a nice nesting area for squirrels. Wire insulation is made with peanut and vegetable oils to prevent cracking, creating a magnet for squirrels, rats and mice. I had my 2011 Tundra 1 month before having it towed to Toyota. Wiring harness replacement was $5300.00. Solution is a pepper embedded electrical tape sold by Honda. I have all wires wrapped and no squirrel problem since.
Terry Boyer, Fairview, Texas
Purchased a new K&N replacement filter for my 2013 Ram 1500 quad cab. I've used them in my 2007 Nissan Titan, 2006 Toyota Solara, 2001 Lincoln Continental and my 1999 Honda civic. It's a top quality, must have product. It possibly saves a few MPG's per tank and each vehicle seems to breathe better. It also saves money buy purchasing an $11 recharge kit rather than buying a new air filter every few thousand miles and it's backed by the best warranty in the industry. I am 100% pleased and will continue to purchase this item for every vehicle I acquire in the future.
Matt, Clarksville, Tennessee