The Nitrous Express 4150 Hitman Plus 4‑barrel kit is a low-cost, upgradeable nitrous system offering four horsepower settings: 50, 100, 150 and 200 HP with Phase 3 spraybarless plates for improved distribution and atomization. This package includes a composite nitrous bottle, Lightning valve hardware, a 40A relay and WOT switch and bracket, and it can be upgraded to higher output with larger N2O components.
Nitrous Express 4150 Hitman Plus 4-BBL Nitrous Kit (50-200HP) w/Composite Bottle