57I-2503 K&N Performance Air Intake System, 2005 - 2011 Ford Focus 2.5L L5

57I-2503 K&N Performance Air Intake System, 2005 - 2011 Ford Focus 2.5L L5K&N 57i Generation II Induction Kits are built primarily for European vehicles. They come with K&N's No Hassle Lifetime Limited Warranty. 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

Brisk Silver Racing plugs have a better ignitability than conventional performance spark plugs

Standard High Pressure - From the Mellings Select Range it's CNC's cast iron cover that is phosphate coated for unparalleled strength

This loom is also used for changing position of the sensor in the engine bay

LS3 engines (engines with no AFM) & LT engines with AFM Delete

and tuning platforms

you'll enjoy additional horsepower and improved oil control from your factory 3

K&N Power Kleen is the only cleaner recommended to clean K&N cotton air filter elements

*Reminder: You must purchase Pro Feature Set to be able to use a Pro Link cable

Improved Racing's oil thermostat is a universal solution that can be used with any oil cooler on any vehicle

efficiency

Bench Programming Harness To Suit LS1 PCM - Allows for tuning of LS1 PCM's without having the car present

Included in this kit is everything you need to install the Front Drive Cover Kit