Nitrous Express® NX944 - Mopar EFI Nitrous Plate Conversion
Nitrous Express® NX944 - Mopar EFI Nitrous Plate Conversion


Nitrous Express® (03-22) Mopar V8 EFI Nitrous Plate Conversion

Regular price $386.19 Sale price$347.57
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Compatible: (5.7L/6.1L/6.4L)

2005 - 2021 Chrysler 300

2008 - 2021 Dodge Challenger

2006 - 2021 Dodge Charger

2003 - 2021 Dodge Ram 

2005 - 2021 Dodge Durango

2005 - 2021 Jeep Grand Cherokee

2005 - 2008 Dodge Magnum





The Nitrous Express Plate for HEMI vehicles upgrade features a billet nitrous plate that fits HEMI throttle bodies, including Challenger, Chrysler 300 Dodge Rams and Chargers with the 5.7L-6.4L Hemi Engines. This plate bolts between the throttle body and intake making installation quick, easy and attractive. This conversion kit includes the nitrous plate, longer throttle body bolts, braided stainless nitrous and fuel lines as well as jetting for 50, 100, 150, 200, 250, 300, 350 and 400 horsepower.

The plate is pre-machined with a second set of nitrous and fuel passages so you can easily upgraded to a dual stage system by adding part # NX933D.

This system includes:

  • Jetting for 50-400hp
  • Dual stage capable throttle body nitrous plate
  • 24in S.H.O. nitrous line
  • Longer throttle body mounting bolts
  • Rubber o-ring gasket



Install Guide:





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Based on 6 reviews
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Maximum_steelrt (Washington, District of Columbia, United States)
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Was the best upgrade I’ve done so far made it feel like a new engine and sounds amazing and definitely pulls a lot harder

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Great Product!

Easy install and woke up my car!

Worth every penny

Works as described. I like the cruise control operation. Easy to go from fun to work mode.

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ERIC D. (Atlanta, Georgia, United States)

It's great!!

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Unfortunately the belt did not fit, it was was too long, my fruend had a 2018 SRT, he had the same problem with his order.
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