1. An upgraded 150psi pump for incredible atomization. 2. Variable Controller that varies the quantity injected vs. boost. This allows maximum power at all RPM/boost levels as just the right amount is injected at all times. Features include adjustments for onset boost level and full quantity boost level. (See Variable Controller in “products” for a full list of benefits).
Note: The variable controller replaces the boost pressure switch and relay included in the stage-1 kit.