aFe Momentum HD PRO Dry S Stage 2-Si Intake System Ford F350 V8 6.4L Diesel 08-10 Fitment: Ford F350 V8 6.4L Diesel 08-10 Outflowed the factory intake by up to 21% and produces 20 additional horsepower and 35lbs. x ft. torque. Massive 1,000cfm performance 360 degree radial flow air filter with 10-layers of progressive cotton media providing 99.59% cumulative efficiency Smooth one-piece sealed housing with auxiliary air scoop Premium stainless steel T-bolt clamps and a 2-ply reinforced silicone hump coupler