Snow Performance Safe Injection(TM) Water-Methanol Failsafe (Patent# US 20070144485 A1) offers un surpassed safety when tuning aggressively for water-methanol injection. Comes equipped with flow sensor and out put trigger to send a 12V signal to cut boost/ignition timing when flow goes below the user set point. Comes with LED alert system to monitor fault. Perfect for forced induction vehicles who depend on the water-methanol for octane/timing. Available with quick connect or 4AN fittings.