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Chrysler's latest model Hemi engines are the perfect platform for nitrous injection upgrades. The Zex Hemi nitrous system comes factory pre-assembled, making for a simple and easy, plug and play installation (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 to rich or too lean.
- Adds 75-125 horsepower to vehicle.
- Designed specifically for 5.7L and 6.1L Hemi engines.
- Uses vehicles TPS sensor to activate, the nitrous engagement.
- Actively adjusts the fuel with bottle pressure.
- Throttle position sensor makes sure the system only activates at the best possible moment.
Exclusive features like these is the reason why Zex is the #1 choice in nitrous performance. | 
