Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application.
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Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application.
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100 Micron Water-Methanol Filter
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Stylish nozzle holders for your WMI setup
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A premier choice for automotive enthusiasts and professional tuners looking to bridge the gap between street drivability and track-ready performance.
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For Vehicles with Production dates 1988-1991
Water Methanol Tubing
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Keep your WMI system in top condition by filtering out potential contaminants before it becomes a problem
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4AN T
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Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
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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
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
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Adjustable in-rail fuel pressure regulator for your BMW
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Engineered to bridge the gap between "universal" fitment and OE-level reliability, these injectors are drop-in replacements that eliminate the guesswork of fuel system upgrades.
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For Custom Applications - Will require additional tuning or modifications.
For enthusiasts looking to optimize their engine's fuel delivery without compromising daily drivability.
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For Custom Applications - Will require additional tuning or modifications.
Engages water-methanol system at 35PSI
Adjustable from 25-50psi
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