Nitrous Express 90mm Hemi Plate System (50-400hp) w/15lb Bottle

Nitrous Express 90mm HEMI Plate System

2003–2023 Dodge Ram 1500 / Ram 2500 / Ram 3500 / Dodge Durango / Chrysler 300 / Dodge Magnum / Jeep Grand Cherokee / Dodge Charger / Dodge Challenger / Jeep Grand Cherokee L / Jeep Wrangler / Jeep Grand Wagoneer / Jeep Wagoneer

20990-15

Overview:

The Nitrous Express 90mm HEMI Plate System is a high-performance nitrous oxide injection kit designed specifically for a wide range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with HEMI engines. This system enhances engine power by injecting nitrous oxide directly between the throttle body and intake manifold, delivering a significant horsepower boost with precise control and reliability. Ideal for enthusiasts seeking a clean, efficient, and powerful upgrade, this kit offers a straightforward installation and versatile power options.

Built to support horsepower increases from 50 to 400 HP, the system is perfect for street performance, drag racing, or any application where additional power on demand is desired. Its comprehensive design includes everything needed for a complete installation, making it accessible for both professional installers and experienced DIYers.

Key Features:

Engineered with the latest technology and premium components, the Nitrous Express 90mm HEMI Plate System delivers superior performance and durability. Key features include:

• Billet aluminum nitrous plate that mounts between the throttle body and intake manifold for a clean, factory-style installation
• Includes a 10 lb nitrous bottle equipped with the Lightning 500 valve for fast and reliable nitrous delivery
• Pro Power Lightning series billet aluminum and carbon fiber solenoids with improved flow path to maintain dense liquid nitrous for maximum power efficiency
• 24-inch SHO braided stainless steel lines from solenoid to plate for durability and leak resistance
• Master arming switch and TPS-activated wide-open throttle (WOT) module designed for fly-by-wire throttle bodies to ensure safe and precise activation
• Complete jetting kit covering 50, 100, 150, 200, 250, 300, 350, and 400 horsepower increments for customizable power tuning
• Integrated purge port on the nitrous solenoid for clean installation and reduced plumbing complexity
• Configured as a single-stage system by default, with the option to upgrade to dual-stage by adding Part #NX933D

Construction & Design

The system’s core component, the nitrous plate, is precision-machined from billet aluminum to ensure strength, durability, and an attractive finish. The Lightning series solenoids feature CNC-machined aluminum bodies topped with lightweight carbon fiber cans, combining robust construction with weight savings. The improved internal flow path design minimizes sharp turns and expansion areas, maintaining nitrous in a dense liquid state for optimal power delivery and efficiency.

All lines and fittings are crafted from high-quality materials, including braided stainless steel, to withstand high pressure and resist corrosion. The kit includes every necessary nut, bolt, and electrical connector, ensuring a seamless and professional installation experience.

Installation & Fitment

Installation is straightforward thanks to the nitrous plate’s bolt-on design that fits directly between the throttle body and intake manifold, eliminating the need for manifold modifications. The included TPS-activated WOT module is compatible with modern fly-by-wire throttle bodies, providing precise activation only at full throttle for safety and performance. This system fits a broad range of vehicles, including:

• Dodge Ram 1500 (2003–2010, 2011–2022)
• Dodge Ram 2500 (2003–2010, 2011–2022)
• Dodge Ram 3500 (2003–2009, 2011–2022)
• Dodge Durango (2004–2022)
• Chrysler 300 (2005–2022)
• Dodge Magnum (2005–2008)
• Jeep Grand Cherokee (2005–2023)
• Dodge Charger (2006–2022)
• Dodge Challenger (2008–2022)
• Jeep Grand Cherokee L (2021–2023)
• Jeep Wrangler (2021–2023)
• Jeep Grand Wagoneer (2022–2023)
• Jeep Wagoneer (2022–2023)

The kit includes all necessary hardware and connectors, minimizing additional purchases and installation time.

What's Included:

• Billet aluminum 90mm nitrous plate
• 10 lb nitrous bottle with Lightning 500 valve
• Pro Power Lightning series billet aluminum and carbon fiber nitrous and fuel solenoids
• 24-inch SHO braided stainless steel nitrous line
• Master arming switch
• TPS-activated wide-open throttle (WOT) module
• Complete jetting kit for 50 to 400 horsepower increments
• All nuts, bolts, and electrical connectors required for installation

Ideal For:

This Nitrous Express 90mm HEMI Plate System is ideal for performance enthusiasts and racers who want a reliable, efficient, and powerful nitrous setup tailored for HEMI-powered Chrysler, Dodge, Jeep, and Ram vehicles. Whether upgrading a street machine or preparing a drag racer, this system offers flexible power options and a clean installation that maintains factory aesthetics.