K&N Engineering has developed a 77 Series High-Flow Air Intake System. 77-9030KP with a bright finish for the 2007 Toyota FJ Cruiser V6 4.0 liter engine. K&N dynamometer tests show a horsepower gain of 8.17 @ 4785 rpm "The factory air box is mounted to the intake manifold," said K&N Performance Kit Manager Bert Heck. "We gained horsepower by removing the factory intake system and replacing it with our smoother, less restrictive air intake. We also put in an oversized cone shaped K&N Air Filter which allows for more dirt retention before cleaning is required. This is great for weekend warriors who love to go on the dirty and dusty back roads. The heat shield on is secured using existing mounting points near the power steering reservoir and on the inner fender. The K&N Air Intake System is free-flowing which results in more power. "The mass air sensor is installed in the K&N Intake tube with the provided hardware," said Heck. "The placement of the mass air sensor was an important part of gaining horsepower on this kit." The factory engine cover fits in its original location once the K&N Intake System is in place. It takes less than 90 minutes to most K&N air intakes with common tools. K&N air intakes come with the famous K&N Million Mile Limited Warranty.

K&N 77 Series High-Flow Air Intake System $309.99

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