The latest model Hemi engines are the perfect platform for nitrous injection system by Zex. This system comes factory pre-assembled, making for a simple and easy, plug-and-play installation that takes around 2 hours from start to finish. For the ultimate in safety, the Zex kit also uses an advanced safety technology called active fuel control. This exclusive Zex technology monitors the nitrous bottle pressure and adjusts the kit's fuel enrichment so you are never too rich or too lean.

• Adds 75–125 hp
• Designed specifically for 5.7L and 6.1L Hemi engines
• Uses vehicles throttle position sensor to activate the nitrous engagement
• Actively adjusts the fuel with bottle pressure
• TPS makes sure the system activates at only the best possible moment

With exclusive features and cutting-edge technology, Zex is the top choice in nitrous performance.