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K&N Series 57 FIPK Cold Air Intake with Heat Shield (97-03 5.4L F-150)

Item T525660-BB
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Improves Horsepower and Acceleration
      • High Density Polyethylene Intake Tube
      • Filters Out Harmful Contaminants
      • Filter is Washable and Reusable
      • No Computer Tune Required
      • Simple Bolt-On Installation
      • CARB EO Number: D-269-37
      • Fits 1997-2003 5.4L F-150s
      • Not Compatible with Lightning and 2002-2003 Harley Davidson Editions


      Balance of Form and Function. The K&N Series 57 FIPK Cold Air Intake w/ Heat Shield pumps an ample supply of cold, dense air into the combustion system to make sure your 1997-2003 F-150’s 5.4L engine – providing a guaranteed horsepower boost possibly as high as +13 hp. You can also expect maximum gains of +15 ft-lbs of torque – along with a thrilling performance sound that lets everyone know your truck is a hard-charging, well-tuned powerhouse. The aerodynamically engineered intake tube ensures maximum flow and the tough filter won’t need to be washed for 100,000 miles in most cases.

      Functions with Stock Tune. You don’t need to change your F-150’s stock tune in order to run the K&N Series 57 FIPK Cold Air Intake w/ Heat Shield. The CAI is built to function at full capacity with the OE tune left unaltered in the engine’s ECU (electronic control unit).

      Massive, High Flow Filter. The conical red filter in the K&N Series 57 FIPK Cold Air Intake is built to gargantuan proportions to properly pass and clean all the air which this high-flow system gulps in. Though use in very dusty or dirty environments may shorten this timeframe, the filter usually doesn’t need to be cleaned for the first 100,000 miles. After this, the red cotton gauze filter can be washed and reused again and again. The filter needs to be re-oiled after washing.

      Stylish Looks, Reliable Sturdiness. Designed to be good-looking in your F-150’s engine compartment as well as effective, the K&N Series 57 FIPK Cold Air Intake w/ Heat Shield features a black high-density polyethylene intake tube with a textured surface that mimics the interesting look of a textured powder-coat. The black design is set off by the 9-inch red filter and the shimmering polish of the stainless steel clamps that serve as fasteners for the component. This is a solidly-built, reliable piece.

      Accommodates the Factory MAF Sensor. The K&N Series 57 FIPK Cold Air Intake w/ Heat Shield is made to fit the factory MAF sensor, unmodified, into its structure. There are also precisely sized places for the crankcase vent hose, air bypass valve, and air temperature sensor.

      Fitment in 90 Minutes or Less. Taking out the old CAI and installing the K&N Series 57 FIPK Cold Air Intake requires less than 1.5 hours to complete. Factory mounting points are used so this is a no-drill, no-cut installation that uses regular automotive hand tools. A hardware pack is included.

      Million Mile Warranty. A million-mile warranty protects your investment in the K&N Series 57 FIPK Cold Air Intake System w/ Heat Shield.

      Ready for the Road in all 50 States. Bearing a CARB EO Number of D-269-37, the K&N Series 57 FIPK Cold Air Intake System can be used in a street-legal F-150 engine in all 50 states. It is fully CARB compliant for California use (or use in other locales where the California CARB regulations are used).

      Application. The K&N Series 57 FIPK Cold Air Intake System with Heat Shield is specifically designed to fit all 1997 to 2003 F-150s powered by the 5.4L V8 engine. The Cold Air Intake is not compatible with the SVT Lightning and 2002-2003 Harley Davidson Edition F-150s.

      Technical Note. The K&N Cold Air Intake is not designed for vehicles equipped with a Body Lift.

      Shop All Truck Parts And Accessories

      Shop All Cold Air Intakes For Trucks

      Shop All Truck Intakes: Air Intakes And More

      Fitment: 1997 1998 1999 2000 2001 2002 2003 Details

      K&N 57-2541

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (4)

      Write a Review

      Ratings Summary

      5.0 out of 5 overall rating from 4 customers

      Installation Time: Afternoon

      • September 10, 2019

        5 2003 XLT - KirkSmith Installation Time: Afternoon

        Definitely worth the money

        Could notice the difference even before the tune. Throttle response is a lot better and sounds great.

        Helpful (0)
      • February 28, 2019

        5 2001 Lariat - AnthonyG Installation Time: Less than 1 Hour

        K N Series 57 FIPK Cold Air Intake

        They say you can’t feel a difference with a stock truck and putting an intake on it. Well I did , it’s more responsive and a tiny bit more power but not much and the sound is way better than stock intake. Highly recommend this to anyone without a doubt

        Helpful (1)
      • January 08, 2018

        5 2003 Lariat - ChadH

        love it!

        i purchased this and saw gains. I complemented it with a JET hi flo MAF sensor. AWESOME!!

        Helpful (15)
      • March 10, 2017

        5 2002 - MiguelC Installation Time: Afternoon

        K N is the way to go!!!

        After months of debating, I decided to give KandN a shot. Probably one of the smartest decisions I've made. The intake was as easy as tieing your shoe to install, it looks mean and you can feel the performance improvement! Also upped my gas mileage by a few miles and overall a great product! I've already recommended it to many so give it a shot.

        Helpful (16)

      Questions & Answers (1 answers)

      1 Top Rated Question

      Hello, Does it come with the oil for the filter (for the 1st use) or is that ordered separate? Thanks

      • This filter will come pre oiled, ready for use.

      Helpful (1)
      Post Your Question

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Intake Tube
      • (1) 55" Edge Trim
      • (1) Heat Shield
      • (1) Adapter
      • (1) Air Filter

      Tech Specs

      Cold Air Intake Specifications
      Material:High Density Polyethylene PlasticFilter Placement:Engine Bay
      Finish:BlackComputer Tune Required:No
      Estimated Horsepower & Torque Gains:
      Estimated HP:13.12hp @ 4562rpmEstimated Torque:15.1ftlb @ 4562rpm

      Will It Fit My F-150

      • 5.4L V8 - 97, 98, 99, 00, 01, 02, 03

      Not Compatible with Lightning and 2002-2003 Harley Davidson Editions

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