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57-1525
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K&N 57-1525 Air Intake

57 Series FIPK > Performance Air Intake System
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.9 out of 5 stars   15 Customer Reviews
  • 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
The K&N 57-1525 Air Intake fits some Dodge Ram 2500 Pickup, and Dodge Ram 3500 Pickup models. See vehicle applications link for details.
The K&N 57-1525 FIPK air intake system replaces the restrictive factory air filter and air intake housing in some Dodge Ram trucks. 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 57-1525 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 tube accommodates the factory air filter restriction gauge. The oversized conical 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 existing factory mounting points. The tools needed are a screwdriver 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 K&N FIPK Air Intake Systems]

Product Specifications

Estimated Horsepower Gain9.17 HP @ 2560 RPM
Replacement FilterRC-4780
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Clamps Included4
Clamp MaterialStainless Steel
Clamp StyleRegular
CARB EO NumberD-269-22
Couplers Included1
TypeGen II
Product Style57 Series FIPK
Air Filter Height9.5 in (241 mm)
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene
Street Legal In All US StatesYes
TUV Approved (Europe)No
Weight12.3 lb (5.6 kg)
Air Filter Large End Diameter6.625 in (168 mm)
Product Box Height12.25 in (311 mm)
Product Box Length20.25 in (514 mm)
Product Box Width12.25 in (311 mm)
Mounting Hardware IncludedYes
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

K&N 57-1525 Air Intake Product Reviews

Monday, November 27, 2017 - Part 57-1525
This product replaced the original intake on my 1997 Dodge Ram Diesel. It took me about 2 hours to install as I had to install longer mounting bolts to clear the shock absorber stem. Installation of the K&N intake was very easy. I have noticed better pick-up when starting out and better acceleration on the free way when passing slower vehicles.

David Horton
San Jose, California
Thursday, September 22, 2016 - Part 57-1525
Very happy with this product. Have ran K&N products for sixteen years, always great quality of product.

Micah Poynor
Nampa, Idaho
Tuesday, August 16, 2016 - Part 57-1525
It was easy to install. Do not notice much difference from this and stock. I will have to mention that I had a K&N filter in my stock breather and I haven't put that many miles on it. So maybe that's it. I think the unit is a little over priced as well. But then again it is a lifetime filter.

John Homme III
Kokomo, Indiana