he NX digital progressive nitrous controller is new from Nitrous Express. This unit was designed as a simple and cost effective means of allowing the aggressive use of nitrous power and putting it on the ground. A simplified wiring harness and easy to adjust controls makes this device a snap to install and use. The start percentage can be adjusted from 20% to 50% in 2% increments. The Nitrous build time can be adjusted from 0.0 (instant 100%) to 8.0 seconds in 0.5 second increments. The high amperage drivers can handle all of todays high amperage solenoids. Overall dimensions are 4 x 3 x 1.75.