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K&N 57-1557 4.7 out of 5 stars 3 Customer Reviews
57 Series FIPK > Performance Intake Kit

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57-1557
 
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The K&N 57-1557 FIPK air intake system replaces the restrictive factory air filter and air intake housing in some Dodge Ram models. K&N air intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your Ram’s engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine’s RPM range. The 57-1557 air intake comes with a K&N high-flow air filter and a heat shield that installs into the previous air box space. Air is directed through an aerodynamically engineered intake tube into the engine’s throttle body for a guaranteed power gain. The air intake system accommodates the factory mass air sensor, air temperature sensor and air filter minder. The oversized cone shaped air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This air intake is relatively easy to install usually in 90 minutes or less using the existing factory mounting points. The only tools needed are a screwdriver, a ratchet set, pliers and several wrenches. K&N 57 Series FIPK's are street legal in all 50 US states and come with K&N's Million Mile Limited Warranty.

[More Information on FIPK Air Intake Systems]
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Replaces entire factory air intake system
  • Free-flowing high density polyethylene tube
  • Easy to install, usually in 90 minutes or less
  • Washable and reusable lifetime air filter
  • K&N Million Mile Limited Warranty
Available Information
Installation Instruction Sheet
57-1557 Vehicle Applications
Dyno Chart - 2007 Dodge Ram 3500 6.7L - 20.63HP Increase
News Story - Dodge Ram 2500 and 3500 Diesels Gain 20.63 HP with K&N Air Intake Kit


Part 57-1557 Product Specifications
Product Style: 57 Series FIPK
Estimated Horsepower Gain: 20.63 HP @ 2500 RPM
Replacement Filter: RC-5142
Air Filter Color: Red
Air Filter Outlet Shape: Round
Street Legal In All US States: Yes
Air Filter Height: 8 in (203 mm)
TUV Approved (Europe): No
Air Filter Material: Cotton Gauze
Clamps Included: 4
Clamp Material: Stainless Steel
Clamp Style: Regular
Couplers Included: 1
Type: Gen II
Mass Air Flow Sensor Adapter Included: Mass Air Flow Sensor Adapter Included When Required
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: 8 in (203 mm)
Weight: 13.9 lb (6.3 kg)
Product Box Length: 18.25 in (464 mm)
Product Box Width: 18.25 in (464 mm)
Product Box Height: 12.5 in (318 mm)


Horsepower gains based on similar vehicle dynamometer test. Results will vary.


Product Reviews      Review part 57-1557

 Truck runs smoother than it ever has and starts easier. Increase in fuel miles per gallon maybe by 10 to 20 percent. It pulls my trailer up hills without shifting down. It would be very hard to go back to original equipment. Thank you K&N.
Donald D. Dingman, Wyoming
 2-3mpg increase, better throttle response and spools up the turbo a lot quicker and it sounds good. I highly recommend it.
Alfonso Lopez, San Antonio, Texas
 Your product is performing perfectly and the installation directions were very comprehensive and easy to follow. Good job!
Glen Jucht, Duluth, Minnesota