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K&N Performance Air Intake System

Part # 57S-4521

Features

  • Increases horsepower
  • Designed to improve torque and acceleration
  • Replaces entire factory air box and air filter system
  • Washable and reusable lifetime air filter
  • Easy to install, usually in 60 minutes or less
  • K& N No-Hassle Lifetime Limited Warranty

Description

The K& N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. Replacing the restrictive factory air filter and air box allows your engine to inhale more air than with the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. A fully enclosed injection molded air box connects to the factory air intake hose. The removable lid provides easy access to the filter when cleaning is required. This performance air box is relatively easy to install. The required tools are commonly available and it uses the previous air box space. These air box systems are built to last for the life of your vehicle and they're backed by K& N's No-Hassle Lifetime Limited Warranty. Some K& N 57S Series Performance Airboxes are compliant with the latest TUV emissions and sound regulations. Check the K& N catalog or website for vehicle applications and specific TUV status for each vehicle and air intake.

Specifications

Air Box IncludedYes
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Air Filter WashableYes
California RestrictedNot legal for sale or use in California
Clamp Color/FinishNatural
Clamp MaterialStainless Steel
Clamp StyleWorm Gear
Clamps Included4
Coupler Color/FinishBlack
Couplers Included1
Estimated Horsepower Gain12 HP @ 2050 RPM
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Cross-Linked Polyethylene
Intake Pipe PortsAll intake tube ports needed for the specified applications are included
Mass Air Flow Sensor Adapter IncludedYes
Mounting Hardware IncludedYes
Oil IncludedYes
Package MaterialCorrugated
Package TypeBox
Product Style57i Series International Kits
Replacement FilterRU-2815
Street Legal In All US StatesNot legal for sale or use in California on any pollution controlled motor vehicle.
TUV Approved (Europe)No
TypeGen II
Weight9.1 lb (4.1 kg)
UPC / GTIN00024844374004
WarrantyNo-Hassle Lifetime Limited warranty
C$681.09