Nitrous is like magic horse power in a bottle to Hemi motors.  Nitrous Express has perfected the art for the 5.7/6.1L Challenger Hemi.  Combining performance and easy installation makes this the fastest 150+ horsepower you can find on the market today at a affordable price.  NX is trusted by all racers and won't let you down at your next track day or stop light rumble.

ZEX nitrous systems are the safiest and most high tech nitrous kits on the market today.  These kits were made specifically for your 5.7/6.1L Hemi Challenger for an easy install and huge power gains all while keeping your motor safe with Active Fuel Control.  All at a fraction of the cost of a turbo or supercharger kit.

Add huge power to your 5.7L or 6.1L Hemi with an SLP intercooled supercharger kit.  SLP uses eaton TVS2300 superchargers for OEM quality and great looks under the hood.  See your 5.7L Hemi jump to a nasty 520 horsepower or 6.1L Hemi run up to 555 horsepower out of the box at 7lbs of boost.  Turn up the boost with a quick pulley change for even more power.