Nitrous Express EFI Nitrous Kit

1992–2005 Dodge, Jeep, Chrysler 2.5L–4.0L Engines

Part #: 20921-00

Overview

The Nitrous Express All Dodge EFI Single Nozzle Nitrous Kit Stage 1 is a premium nitrous oxide system designed specifically for a wide range of Dodge, Jeep, and Chrysler vehicles equipped with EFI engines from 1992 to 2005. Engineered to deliver reliable and consistent power gains, this system is ideal for enthusiasts seeking a safe and effective way to boost horsepower without extensive engine modifications. Whether you drive a 4-cylinder Jeep Wrangler or a V6 Dodge Dakota, this kit provides a straightforward, bolt-on solution to enhance your vehicle’s performance.

Featuring Nitrous Express’s patented Shark nozzle and high-flow Lightning solenoids, the Stage 1 EFI nitrous system ensures precise nitrous delivery and optimal atomization for maximum power and efficiency. This kit is perfect for drivers who want a proven, quality nitrous setup that integrates seamlessly with factory EFI systems.

Key Features

This Stage 1 nitrous kit combines advanced technology and durable components to deliver dependable performance gains. Key features include:

• Patented Shark single nozzle for superior nitrous atomization and distribution
• High-flow Lightning solenoids engineered for rapid response and durability
• Extra-long stainless braided nitrous line for flexible and secure routing
• Complete hardware kit for a straightforward installation process
• Available horsepower levels ranging from 35 to 75 HP for 4- and 6-cylinder engines
• Supports up to 150 HP on larger 8, 10, and 12-cylinder engines
• Designed specifically for EFI engines to maintain fuel and nitrous delivery balance
• Stainless steel bottle bracket included for secure mounting

Construction & Design

The Nitrous Express Stage 1 EFI kit is built with high-quality materials to ensure longevity and consistent performance under demanding conditions. The stainless steel braided nitrous line resists abrasion and heat, while the stainless bottle bracket provides a sturdy and corrosion-resistant mounting solution. The Lightning solenoids are precision-engineered for fast, reliable operation, and the Shark nozzle’s unique design optimizes nitrous flow and atomization for efficient combustion.

Every component is engineered to integrate seamlessly with factory EFI systems, minimizing the need for additional tuning or modifications. This thoughtful design approach ensures that the system delivers power gains while maintaining engine safety and drivability.

Installation & Fitment

Installation of the Nitrous Express Stage 1 EFI kit is designed to be straightforward for experienced enthusiasts and professional installers alike. The kit includes all necessary hardware, fittings, and lines to complete the installation without the need for additional parts. The extra-long stainless braided nitrous line allows flexible routing to accommodate various engine bay layouts.

This kit fits a broad range of Dodge, Jeep, and Chrysler models with 2.5L to 4.0L EFI engines, including:

• 1992–2003 Dodge Dakota 3.9L V6
• 1994–2001 Dodge Ram 1500 3.9L V6
• 1997–2002 Dodge Dakota 2.5L
• 1997–2002 Jeep Wrangler 2.5L I4
• 1998–1999 Dodge Durango 3.9L V6
• 1998–2004 Jeep Grand Cherokee 4.0L I6
• 1998–2005 Jeep Wrangler 4.0L I6
• 1999 Dodge Dakota All
• 1999 Dodge Dakota 4.7L V8
• 1999 Dodge Dakota 5.2L V8
• 1999 Dodge Dakota 5.9L V8
• 2005 Chrysler 300 2.7L V6
• 2005 Chrysler 300 3.5L V6

Minimal modifications are required, making this kit an excellent choice for those looking to add nitrous power without extensive engine or fuel system changes.

What's Included

• Patented Shark single nozzle assembly
• High-flow Lightning nitrous solenoids
• Extra-long stainless braided nitrous line
• Stainless steel bottle bracket
• Complete installation hardware and fittings
• Comprehensive instructions for installation and tuning

Ideal For

This nitrous kit is ideal for performance enthusiasts and weekend racers who want a reliable, easy-to-install nitrous system tailored for Dodge, Jeep, and Chrysler EFI engines from the 1990s to mid-2000s. It suits those seeking moderate horsepower gains with a focus on quality components and proven technology. Whether upgrading a daily driver or building a dedicated street/strip vehicle, this kit offers a balanced approach to nitrous performance enhancement.

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.