K&N 57-2571

57 Series FIPK > Performance Intake Kit
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   2 Customer Reviews
List Price: $545.93
Your Price: USD $300.99

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The K&N 57-2571 FIPK air intake system replaces the restrictive factory air filter and air intake housing in some Ford Mustang Shelby models. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your 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 57-2571 air intake comes with a chrome topped 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 mass air sensor, vacuum vent line and crank case vent hose. 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 existing factory mounting points. The tools needed are a screwdriver, a ratchet set and a couple of Allen 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]
  • 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)
  • Easy to install, usually in 90 minutes or less
  • Free-flowing high density polyethylene tube
  • Replaces entire factory air intake system
  • Washable and reusable lifetime air filter
  • K&N Million Mile Limited Warranty

Product Specifications

Estimated Horsepower Gain56.96 HP @ 5900 RPM
Air Filter ColorRed
Air Filter Height6 in (152 mm)
Air Filter Large End Diameter7.5 in (191 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
CARB EO NumberD-269-37
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included5
Couplers Included2
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene
Product Box Height12.5 in (318 mm)
Product Box Length22.25 in (565 mm)
Product Box Width14.25 in (362 mm)
Product Style57 Series FIPK
Replacement FilterRF-1048
Street Legal In All US StatesYes
TUV Approved (Europe)No
TypeGen II
Weight9 lb (4.1 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

Product Reviews

Review part 57-2571
Monday, April 20, 2015 - Part 57-2571
Well, the installation would have been about 30 min. if you didn't have to remove parts from the old intake. Getting that one part to insert into its rubber fitting took over an hour. That was the only hitch. Once installed it ran great. No re-tune necessary. I noticed a big difference the first time I drove my Mustang. I hit the rev lilmiter in first gear for the first time ever. I wasn't watching and just drove like I usually do. I got there much quicker than usual. Very glad I got it in my Stang.

Mike Milliorn
Fort Worth, Texas
Thursday, October 23, 2014 - Part 57-2571
Great product! Excellent service and super fast shipping.

Jeff Chikusa