57-2571 K&N Performance Air Intake System

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57-2571
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Performance Air Intake System
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.
  • 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
Estimated Horsepower Gain56.96 HP @ 5900 RPM
Replacement FilterRF-1048
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Clamps Included5
Clamp MaterialStainless Steel
Clamp StyleRegular
CARB EO NumberD-269-37
Couplers Included2
TypeGen II
Product Style57 Series FIPK
Air Filter Height6 in (152 mm)
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Cross-Linked Polyethylene
Street Legal In All US StatesYes
TUV Approved (Europe)No
Weight9 lb (4.1 kg)
Air Filter Large End Diameter7.5 in (191 mm)
Product Box Height12.5 in (318 mm)
Product Box Length22.25 in (565 mm)
Product Box Width14.25 in (362 mm)
Mounting Hardware IncludedYes
Warranty1,000,000 Miles/10 Year
No cross references found for this part
DIY Level

Moderate

Installation Time

60-90 Minutes

Tools Needed

Wrench, Extension, Flat Blade Screwdriver, Allen Wrench

Warning: Cancer & Reproductive Harm – P65Warnings.ca.gov

K&N Products

Unmatched Performance

50 years of improving vehicle performance.

intake

Cold Air Intakes

Custom-engineered tubes deliver better airflow than you get with a stock intake. More air means better performance.

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Using cotton gauze instead of typical folded paper, our filters increase airflow while providing excellent engine protection.

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Helps capture most mold, mildew, fungus, spores, bacteria, germs, pollen and allergens, and helps to rid the air of unpleasant odors.

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From custom air filters to fuel pumps and carb accessories, the K&N Speed Shop has been assembled to help your vehicle run at peak performance.

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WHY K&N?


K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!


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