Engine Breather Filter (Inlet)

K&N Crank case breathers are a popular mod and certainly brighten up the engine bay.

Vibrant Performance Crankcase Breather Filter w/ Chrome Filter Cap

Crankcase Breather Filter DIY

Vibrant Crankcase Breather Filter - 35mm OD / 5/8in. 15mm Inlet ID

Breather Filter - Engine - 1/2 inch Inlet - 1 1/2 inch Dia - Black

GREEN 5/8 ID (15mm) Inlet Universal Type Engine Crankcase Air

Performance Air Filter, Conical, 0.75 Inlet

3/8 Crankcase Breather Filter - ForceWinder Motorcycle Air

External Breather Filters

External Breather Filters

Breather Filter - Engine - 3/8 inch Inlet - 1 3/8 inch Dia