Nitrous Express

Nitrous Express Proton Plus Nitrous Kit w/15lb Bottle - 20421-15

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SKU:
NEX20421-15
UPC:
653374307420
MPN:
20421-15
Availability:
Regularly stocked product
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$669.38
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Description

What is the horsepower gain with a NEX Nitrous Oxide Kit?
NEX Nitrous Oxide Kits are capable of producing from 35 horsepower to 150 horsepower to the wheels, depending on jetting selection.

Is the NEX Nitrous Oxide Kit easy to install?
This bolt-on Nitrous Express system is engineered for straightforward installation, enhancing engine performance with minimal complexity.

NEX Nitrous Oxide Kits provide a powerful surge of up to 150 horsepower to the wheels, perfect for drag racing enthusiasts scoring a 9. Constructed with high-quality, USA-made solenoids and a sleek black anodized aluminum housing, these Nitrous Systems ensure reliable power delivery and a striking visual upgrade.

What Owners Say

Owners and enthusiasts consistently recognize Nitrous Express kits for their solid performance gains and reliable construction, with many praising the noticeable boost in power delivery. The brand earns respect in the LS community for quality components and responsive customer support. Some experienced users caution that proper tuning is essential, particularly with larger dry shots where running lean becomes a concern if the setup isn't dialed in correctly. While competitors like Nitrous Outlet also receive strong recommendations, Nitrous Express maintains its position as a trusted name among nitrous users who value proven performance and dependable hardware for forced induction applications.

Key Features

  • high quality, made in the USA, solenoids
  • capable of producing 150 horsepower to the wheels
  • black anodized aluminum housing
  • jetting for 35HP, 50HP, 75HP, 100HP, 125HP and 150HP
  • 15lb nitrous bottle with an aluminum high flow Lightning 45 bottle valve
  • Fits all electronic fuel injected vehicles with a single throttle body

Why Choose the NEX Nitrous Oxide Kits

Delivers reliable, consistent power delivery for exhilarating acceleration.

Achieves a dramatic surge of power, transforming your driving experience.

Provides customizable power levels to match your performance goals.

Transforms your vehicle's performance with a potent horsepower boost.

Who Is This For?

Street Performance — 8/10
Bolt-on, multiple HP options, enhances acceleration.

Drag Racing — 9/10
Significant horsepower increase for straight-line speed.

Racing Competition — 8/10
Provides tunable power for competitive events.

Easy DIY Install — 7/10
Bolt-on design simplifies installation process.

Engine Performance — 9/10
Directly increases horsepower output.

Visual Aesthetic Upgrade — 6/10
Black anodized aluminum housing offers a clean look.

Additional Resources

Official Nitrous Express Product Page

Installation Guide (PDF)

Important Notices

⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
20421-15
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Forced Induction>Nitrous Systems
Universal Fitment:
Y
Install Type:
Bolt-On
Product Level:
Mid Range
Street Performance:
8/10
Drag Racing:
9/10
Racing Competition:
8/10
Easy DIY Install:
7/10
Engine Performance:
9/10
Visual Aesthetic Upgrade:
6/10
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