Keep your WMI system in top condition by filtering out potential contaminants before it becomes a problem
Keep your WMI system in top condition by filtering out potential contaminants before it becomes a problem
41x2 - O-ring used in various areas on your European vehicle
Secures diverter valves to the charge pipes (included with diverter valve purchase)
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
For most JB4 applications.
This product was last offered at the strikethrough price on
05-02-2026
Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk.
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
2 required per vehicle
Keep clean air running through your engine
This product was last offered at the strikethrough price on
08-13-2026
Quick connect union T-fitting for 1/4" Nylon