57S-4000 K&N Performance Air Intake System

FORD FOCUS II RS

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

Reviews - KN Performance Air Intake System (57S-4000)

K&N 57S-4000 Ford Focus 1.0 ecoboost 125

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 57i Generation II Induction Kits are built primarily for European vehicles. These intake kits use only non-metallic rotationally molded tubes that can reduce air temperature and decrease intake sound over a metal tube. Restriction can exist BETWEEN an air filter and the engine reducing the benefit of a K&N Air Filter alone. The weakest link in the airflow chain robs a vehicle of its natural horsepower.

K&N 57S-8750 Toyota Hilux Performance Air Intake System

K&N's 57S Performance Airbox is a TUV compliant intake system. Supplied as a complete kit with all necessary parts and fittings supplied. The K&N

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

57-0618-1 - K&N Performance Intake Kit - TPS GARAGE LLC

Intake Kits – VCM Store

Engine Air Intake and Air Box Kit - Advance Auto Parts

The K&N E-9289 Air Filter is designed to increase horsepower and protect your engine by reducing restriction and providing excellent filtration. The E-9289 custom air filter is manufactured to replace the air filter in the 57S-4000 performance air box and it comes with a K&N embossed lid cap.

K&N E-9289 Replacement Air Filter