K&N 97-08 Ford E350/#450 Econoline V10-6.8L Black High Flow Performance Kit 10399 No calibration required

No calibration required

This Bar & Plate core is pressure tested to 120 psi to ensure it will withstand the high boost levels motorsports race teams can throw at it

Fits left OR right side (Sold individually) Replaces OE 3227849

4D Lakes NA-D075 South Central

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

K&N 97-08 Ford E350/#450 Econoline V10-6.8L Black High Flow Performance Kit 10399 No calibration requiredThe 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