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USD 299.99
Part #: KN57-1525

K&N FIPK Air Intake System 57-1525

1994-2002 Dodge Cummins 5.9L
Part #: KN57-1525
★★★★★ ★★★★★ 13 Reviews
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The Generation II FIPK is K&N's ultimate performance product, designed to increase power by as much as 10%. Every FIPK is street legal in all 50 US states and comes with a 10 Year/ Million Mile Limited Warranty. K&N intake systems replace your vehicle's restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your vehicle's engine to inhale a larger volume of air than the OEM air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The filters on these kits are washable and reusable. Most of our intake kits are relatively easy to install using tools commonly available (see installation instructions).
57-1525 Product Specifications
Product Style: FIPK
Type: Gen II
Replacement Filter: RC-4780
Weight: 12.3 lb (5.6 kg)
Product Box Length: 20 in (508 mm)
Product Box Width: 12 in (305 mm)
Product Box Height: 12 in (305 mm)

Additional Information

Installation Instruction Sheet


  • MFG. Number 57-1525
  • Manufacturer Name K&N Engineering
  • Shipping Weight 12.50 lb.
  • Shipping Length 13 in.
  • Shipping Width 13 in.
  • Shipping Height 21 in.
  • Fuel Type Diesel
  • EO Number D-269-22
  • Filter Media Oiled
  • Filter Type Washable & Reusable
  • Intake Style Open Air Box
  • UPC 024844100122
  • Warranty Yes
  • Warranty Info Million Mile Limited
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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★★★★★ ★★★★★
4.5/5 Stars out of 13 Reviews
great product
(Unknown) | November 27th, 2006
I would recommend this product to anyone the performance is better, the mileage goes up a little and best of all the sound you can hear that turbo spooling up. people who don't even know what a diesel is ride with me and that's what i get commented on the most.
Awesome, cant believe how much it works!
(Somewhere) | March 10th, 2009
I was pretty skeptical about how much this thing could do, and I'm not yet sure if it actually decreases turbo spool up time, or if its just that you hear it earlier, but regardless, in my stock '97 12V, this intake made a noticeable difference in the higher end power, and a slightly noticeable diff. in the lower end power. A little expensive, but it sure works great.
Sounds great
(Victoria, TX) | July 10th, 2009
I put the K&N air intake on my 01 Dodge Diesel and you can really hear the turbo and the engine getting more air. It has made my truck run at 200 less rpm's going 70mph. That has got to be at least 2 miles per gallon more. Great purchase!!!!
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Questions and Answers

How does this filter do in moderatly dusty conditions?
View Staff Answer 

Our testing has demonstrated that on average, K&N replacement air filters and air intake systems have a cumulative or Full Life filtration efficiency of between 96 and 99%. Different filters test at different efficiencies due to changes in their shape, surface area and relationship to the direction of air flow through the factory air box or test housing. Like most air filters available in the USA, our filters will provide all the engine protection you need.
For more information on our testing, see our K&N Product Testing page.

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