Used when converting to custom catch cans or an aftermarket valve cover
This product was last offered at the strikethrough price on
09-02-2026
Used when converting to custom catch cans or an aftermarket valve cover
This product was last offered at the strikethrough price on
09-02-2026
Water Methanol Tubing
Keep your WMI system in top condition by filtering out potential contaminants before it becomes a problem
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.
Enhances turbo response, increases airflow, reduces turbo lag, and provides a 26% increase in airflow!
For vehicles with secondary air injection only. CARB certified for sale in all 50 states.
This product was last offered at the strikethrough price on
09-01-2026
Enhances turbo response, increases airflow, reduces turbo lag, and provides a 26% increase in airflow!
For vehicles without secondary air injection only. CARB certified for sale in all 50 states.
This product was last offered at the strikethrough price on
09-01-2026
Replaces the failure-prone factory diaphragm for rock-solid boost control
This product was last offered at the strikethrough price on
08-29-2026
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Upgrade your factory boost hoses
Eliminate heat soak and unlock consistent power with HPA’s direct-fit MQB Performance Intercooler—featuring a 95% larger core, lower charge temps, and true OEM-style installation with zero modification required.
Quick connect union T-fitting for 1/4" Nylon