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Standalone Data Logging
9LSU sensor and can utilize both the factory calibration resistor and free-air calibration methods
high-flow performance and excellent filtration
The tank is made of lightweight aluminium and TIG welded for a superior fit and finish
Crank Scraper kits are compatible with factory or ARP main cap studs
57I-2503 K&N Performance Air Intake System, 2005 - 2011 Ford Focus 2.5L L5 performance Standalone Data LoggingK&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
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