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Laboratory tested to ensure excellent capacity
9LSU sensor and can utilize both the factory calibration resistor and free-air calibration methods
Proudly designed and manufactured in the USA
If you're seeking personalised advice on the ideal camshaft option for your vehicle
Standalone Data Logging
57I-2503 K&N Performance Air Intake System, 2005 - 2011 Ford Focus 2.5L L5 performance Laboratory tested to ensure excellentK&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
US$ 12245.00
US$ 40.00
US$ 328.73