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The K&N cold air intake system for 2001–2004 Ford Ranger V6 4.0L uses a mandrel-bent aluminum intake tube and a washable, reusable oiled cotton High-Flow air filter to increase horsepower and torque. The oversized filter can allow up to 100,000 miles between services under normal highway driving. A heat shield or air box helps reduce intake air temperatures and the system usually installs in under 90 minutes; check CARB status for California legality.
K&N 01-04 Ford Ranger V6-4.0L High Flow Performance Kit
