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
Red High Temp Nylon Tubing, Quick-Connect Fittings
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Add real power that you can feel
CARB certified for sale in all 50 states
For vehicles with FSI engines only
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
01-28-2026
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.
Boost your mid-range torque instantly while keeping your options open for future water-methanol injection setups.
10X Entries For Our 25th Anniversary Sweepstakes!
Better airflow for more power
CARB certified for sale in all 50 states
Fits TSI engines only
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Replaces your restrictive stock airbox for greater airflow and performance
Quick connect union T-fitting for 1/4" Nylon