K&N 57S-4000 Performance Air Intake System

The K&N 57S-4000 57i Generation II Induction Kit uses a non-metallic rotationally molded tube to reduce air temperature for improved performance.
The K&N 57S-4000 Performance Airbox replaces the restrictive factory air filter and air box lid. K&N performance air boxes are designed to dramatically reduce air flow restriction as well as 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 57S-4000 Performance Airbox comes with an oversized conical K&N high-flow air filter and an injection molded air box lid with the K&N logo embossed on top. The air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This performance air box is relatively easy to install into the air box base with commonly available tools. K&N builds these air box systems to last for the life of your vehicle and they are backed by K&N's Million Mile 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.

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Performance Intake Kit by K&N (57-1000) – MAPerformance

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.

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Intake Kits – VCM Store

K&N 57S-4000 Performance Filter // Airbox Ford Focus XerroR

K&N 57S-4000 ab 172,32 € Preisvergleich bei

K&N 57S-4000 Performance Air Intake System

K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 16HP: Compatible with 1.6L, L4, 2007-2018 FORD/VOLVO/MAZDA (C-Max, Focus, Grand, Transit)57S-4000 : Automotive

K&N's 57S Performance Airbox is a TUV compliant intake system. The oversized conical filter and the custom engineered Velocity Stack (Velum) have been

K&N 57S Performance Air Filter Induction Kit / Airbox - 57S-4000