AEM 30-3352 Water Meth Kit – Key Features & Functions
Multi-Input Progressive Controller
Smarter than basic systems:
- Adjusts injection based on boost, MAP, MAF, or injector duty cycle
- Progressive delivery (no abrupt on/off behavior)
- Fully tunable for your setup
Because real builds need real control.
Water/methanol injection for gas engines is a proven means for effectively reducing engine inlet air temperatures and suppressing harmful detonation on forced induction and high performance naturally aspirated race engines.
Complete Injection System Kit
Everything included:
- High-pressure injection pump
- Reservoir, lines, fittings, and hardware
- Injection nozzle(s)
- Controller and wiring
No guesswork—this is a full system.
This allows enthusiasts to reliably increase boost and advance ignition timing-without the use of high-octane racing fuel-for power gains of up to 20 percent. AEM’s Water/Methanol Injection Systems utilize the most robust hardware combined with more advanced features than some other comparably priced water/methanol system.
Boost & Load-Based Injection Control
Precision performance:
- Starts injection at user-defined points
- Increases flow as load/boost rises
- Maintains optimal AFR and combustion temps
Because consistency is what keeps engines alive.
On turbo Diesel applications, water/methanol injection systems reduce air inlet temps and improve combustion efficiency which allows the engine to deliver more power with less effort. It also offers a host of benefits that promote engine longevity, including the reduction of carbon deposits left by a Diesel’s exhaust gas recirculation (EGR) system.
AEM’s Water/Methanol Injection Systems for turbo Diesel HD trucks utilize the most robust hardware combined with more advanced features than some other comparably priced water/methanol system.
Reduces Intake Air Temperatures
Core benefit:
- Lowers charge temps significantly
- Improves air density
- Enhances combustion efficiency
Cooler air = safer and stronger performance.
The on-demand progressive Multi-Input controller in AEM’s tank-less Water/Methanol Injection kit features a a couple of input design that enables users to install AEM’s Water/Methanol Injection Kit on both high compression naturally aspirated vehicles (NA) by way of the MAF/IDC settings and ultra-high boost gasoline or turbo Diesel vehicles the use of an external MAP sensor.
Supports Higher Boost Levels
Unlocks potential:
- Reduces knock risk
- Allows more aggressive tuning
- Improves reliability under load
Because heat is the real limiter—not your turbo.
The Multi-Input controller works with an external 0-5v voltage-based external MAP sensor, a frequency based input for Injector Duty Cycle (IDC), frequency-based mass airflow (MAF), or a 0-5v voltage-based MAF. Both the power and ground wires for the pump are included in the harness which simplifies the wiring process and removes any chance of the pump unintentionally activating from a short in the system. An additional wire is included for adding an optional on/off solenoid to stop fluid float when the system is inactive.
AEM Proven Reliability
Built to perform:
- High-quality components
- Designed for real-world use
- Trusted in performance and racing applications
Because this isn’t the place to cut corners.
Tank-less system
Multi-Input, 0-5V/frequency-based progressive controller design to be used with external MAP sensor for forced induction gas or turbo Diesels, or MAF/IDC on high compression NA gas vehicles
Multi-Input controller features large adjustment knobs, integrated plug for harness connection, integrated fuse, covered status light and test buttons for enhanced splash resistance and mounting tabs
Wiring harness is terminated with a positive-lock connector on one end with color-coded wires to ease installation, power and ground wires for the pump and additional wire for optional on/off fluid solenoid
Why You Need This AEM 30-3352 Water Meth Kit
If you’re running boost and want to safely push your setup further, this is one of the best upgrades you can make.
The AEM 30-3352 V2 Kit gives you:
- Advanced multi-input control for precise injection
- Lower intake temps and improved efficiency
- Knock suppression for safer high-boost tuning
- Increased power potential without sacrificing reliability
Because power is easy—safe power takes control.
Precision-machined billet-aluminum injector with integral check valve; three interchangeable injector nozzles to cover all kinds of HP levels
Ideal Applications
- Turbocharged builds
- Supercharged setups
- High-performance street cars
- Track and race builds
- High-boost applications
Final Verdict
The AEM 30-3352 V2 Water/Methanol Injection Kit is a serious upgrade for serious builds.
It gives you the control, cooling, and consistency needed to push your setup further—without risking your engine.
Because controlling heat is how you unlock real performance.
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