Foam Cone Filters – Rubber Neck
Choose your neck I/D (A) to match your intake pipe, then check C, F and G for clearance.
Trifoam filtration
Washable & reusable
Handmade in Britain
A is the neck internal diameter - this is the size your filter clamps onto, so match it to the outside diameter of your intake pipe. Then check C (base diameter), F (total height) and G (top diameter) against the space in your engine bay. B is the neck outside diameter and D is the neck depth.
Step 2
This is the pipe size the filter clamps onto. Then check C, F and G for clearance.
Matching filters
