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K&N 57-9011 5.0 out of 5 stars 1 Customer Review
57 Series FIPK > Performance Intake Kit

List Price: $558.95
Your Price: USD $307.99

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57-9011
 
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The K&N 57-9011 FIPK air intake system replaces the restrictive factory air filter and air intake housing in some Lexus GS400 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 57-9011 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 and vacuum line as well as two replacement silicone vacuum lines. 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 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]
  • 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 Gain9.34 HP @ 5978 RPM
Air Filter ColorRed
Air Filter Height6.5 in (165 mm)
Air Filter Large End Diameter5.5 in (140 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included4
Couplers Included1
Intake Pipe Color / FinishBlack
Intake Pipe PortsAll intake tube ports needed for the specified applications are included
Mass Air Flow Sensor Adapter IncludedMass Air Flow Sensor Adapter Included When Required
Product Box Height12.25 in (311 mm)
Product Box Length20.25 in (514 mm)
Product Box Width12.25 in (311 mm)
Product Style57 Series FIPK
Replacement FilterRC-4630
Street Legal In All US StatesYes
TUV Approved (Europe)No
TypeGen II
Vacuum Tubing IncludedYes
Weight10.4 lb (4.7 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.


Product Reviews


  Easy install. Everything went smooth. Everything I needed was included. Only took 20-25 mins to install. I'm happy with the purchase and performance. It even improved the tone of my stock exhaust a little. I favored this setup because I didn't want a shiny polished intake. I like the black look of this clean design.
David Alabama