On K&N's in-house Dynojet dynamometer, the FIPK®, Part# 63-1094, equipped Hemi produced a maximum horsepower output of 273.15 at the rear wheels, an impressive 17.54 HP increase over stock. The 4.7 pulled 174.55 in stock form, jumping to 191.30 HP after the FIPK® installation. The K&N system maximizes airflow while protecting your engine from harmful particulates as small as .05". The heart of the FIPK® Intake Kit is its original K&N High-Flow Air Filter, comprised of four layers of woven cotton-gauze fabric, which are sandwiched between aluminum mesh screen, then treated with a specially-formulated filter oil to capture dirt and debris as it smoothes air flowing through the filter.
Connecting the filter to the engine is an aerodynamically engineered, roto-molded polyethylene intake tube designed to smooth airflow and drive massive amounts of air into the engine. As with other FIPK® applications, the Durango kits come complete with all the necessary hardware and installs easily with no drilling required. This system is street legal in most states.
In addition to this new FIPK®, K&N also offers two OE-upgrade filters for the new Durango: a washable/reusable replacement air filter (PN 33-2288) and a Performance Gold Oil Filter (PN HP-2004).
For more information, please contact K&N Engineering, Inc., P.O. Box 1329, Riverside, CA 92502-1329, (800) 213-4182 for a dealer near you, (800) 858-3333 for technical service/questions, (951) 826-4001 Fax, e-mail email@example.com or visit www.knfilters.com.
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