K&N 97-08 Ford E350/#450 Econoline V10-6.8L Black High Flow Performance Kit 10399 1L and 2L Plenum Spacers

1L and 2L Plenum Spacers upgrades available

No calibration required

RF2* N/A N/A NO RZR Turbo R 4 Ultimate DY N/A N/A NO RZR Pro R 4 Sport N/A N/A NO RZR Pro R 4 Premium RC

Works w/Park Sensors

YAMAHA Tilt Trim Motor 61A-43880-02-00

K&N 97-08 Ford E350/#450 Econoline V10-6.8L Black High Flow Performance Kit 10399 1L and 2L Plenum SpacersThe K&N 77 2570KTK high flow performance air intake system is a free flowing, mandrel bent aluminum tube air induction system. The restrictive factory air filter and air intake housing on your vehicle are replaced by this K&N air intake system which is designed to dramatically reduce air flow restriction as it smoothes and straightens air flow. The improved air flow allows your engine to inhale a larger amount of air than it would from the stock air