Nitrous Express Direct Port Nitrous Plate Conversion

2003–2022 Dodge / Jeep Models with 5.7L, 6.1L, and 6.4L Hemi Engines

NX958

Overview:

The Nitrous Express Direct Port Nitrous Plate Conversion is engineered specifically for modern Hemi engines found in a wide range of Dodge and Jeep vehicles from 2003 through 2022. This direct port system delivers precise nitrous oxide and fuel distribution to each cylinder, enabling power gains from 100 to 400 horsepower. Ideal for enthusiasts seeking a reliable and efficient nitrous setup, this conversion plate offers superior performance over traditional single nozzle or throttle body plates by ensuring balanced delivery to all cylinders.

Designed for ease of installation and maximum effectiveness, the Nitrous Express direct port plates bolt directly under the intake manifold, providing a clean and compact solution without the need for aftermarket hood modifications. This system is perfect for drivers looking to unlock the full potential of their Hemi-powered Dodge or Jeep with a professional-grade nitrous setup.

Key Features:

Experience enhanced power and reliability with these advanced features:

• Direct port nitrous plate design ensures equal nitrous and fuel delivery to each cylinder for optimal combustion.
• Supports horsepower increases ranging from 100 to 400 HP, adaptable to various performance goals.
• Precision jetting included for flexible tuning across the entire power range.
• Constructed from billet aluminum with a durable black anodized finish for long-lasting corrosion resistance.
• 5/8" thickness maintains factory hood clearance, eliminating the need for aftermarket hood modifications.
• Includes stainless steel fittings and braided nitrous and fuel lines for superior durability and safety.
• Compatible with multiple Dodge and Jeep models equipped with 5.7L, 6.1L, and 6.4L Hemi engines.
• Made proudly in the USA, ensuring high manufacturing standards and quality control.

Construction & Design:

The Nitrous Express direct port plates are precision-machined from high-grade billet aluminum, providing exceptional strength and heat resistance. The black anodized finish not only enhances corrosion protection but also delivers a sleek, professional appearance under the hood. At 5/8" thick, the plates are engineered to fit seamlessly beneath the intake manifold without requiring any hood clearance modifications, preserving the vehicle’s factory aesthetics and functionality.

All fittings are crafted from stainless steel, paired with stainless braided nitrous oxide and fuel lines to ensure leak-free connections and long-term reliability under high-pressure conditions. This robust construction guarantees consistent performance and safety during aggressive driving and track use.

Performance & Sound

By delivering nitrous oxide and fuel directly to each cylinder, this system maximizes combustion efficiency and power output, resulting in significant horsepower gains up to 400 HP. The direct port method enhances throttle response and acceleration without compromising engine reliability. While the system primarily boosts power, it maintains the natural sound characteristics of the Hemi engine, allowing drivers to enjoy an authentic performance experience.

Installation & Fitment:

Installation is straightforward, as the plates bolt directly under the intake manifold, requiring no major modifications or custom fabrication. The included stainless fittings and braided lines simplify plumbing and ensure a secure, professional setup. This conversion is compatible with a broad range of Dodge and Jeep vehicles equipped with 5.7L, 6.1L, and 6.4L Hemi engines, covering model years 2003 through 2022.

Because the plates maintain factory hood clearance, there is no need for aftermarket hood alterations, making this an ideal upgrade for street and track enthusiasts who want a clean, efficient nitrous solution.

What's Included:

• Direct port nitrous plates designed for Hemi 5.7L, 6.1L, and 6.4L engines
• Stainless steel fittings for nitrous and fuel connections
• Jetting calibrated for 100 to 400 horsepower increments
• Stainless braided nitrous oxide line
• Stainless braided fuel line

Ideal For:

This nitrous plate conversion is perfect for performance enthusiasts and racers who own Dodge or Jeep vehicles equipped with modern Hemi engines and desire a reliable, high-output nitrous system. It suits those looking to enhance horsepower with precise fuel and nitrous delivery, maintain factory hood clearance, and install a professional-grade system with minimal hassle. Whether upgrading a street machine or preparing a track-ready build, this kit delivers consistent power gains and durability.

Fitment Summary

Compatible with the following vehicles equipped with 5.7L, 6.1L, and 6.4L Hemi engines:

• Dodge Ram 1500 (2003–2010)
• Dodge Ram 2500 (2003–2010)
• Dodge Ram 3500 (2003–2009)
• Dodge Durango (2004–2022)
• Dodge Magnum (2005–2008)
• Jeep Grand Cherokee (2005–2022)
• Dodge Charger (2006–2022)
• Dodge Challenger (2008–2022)
• Jeep Grand Cherokee SRT (2014–2021)
• Dodge Challenger SRT Hellcat (2015–2022)
• Dodge Charger SRT Hellcat (2015–2020)
• Dodge Durango SRT (2018–2021)
• Jeep Grand Cherokee Trackhawk (2018–2021)
• Dodge Durango SRT Hellcat (2021)
• Jeep Grand Cherokee L (2021–2022)
• Jeep Wrangler Unlimited Rubicon 392 (2021–2022)
• Jeep Grand Wagoneer (2022)
• Jeep Wagoneer (2022)

Nitrous Express (NX) manufactures high-performance nitrous oxide systems and components designed to add significant horsepower on-demand for street/strip and racing applications. With complete plate and direct-port style systems plus supporting solenoids and hardware, NX is built for tuners and racers who want controlled power gains—and the company also owns Snow Performance for water-methanol solutions.