What kind of horsepower increase can I expect with this kit?

This Nitrous Express Proton Nitrous Kit is designed to add between 40 and 100 horsepower to your four-cylinder engine, depending on the specific jetting installed.

What is included in the kit?

The kit includes the nitrous oxide system, a Piranha nozzle with jetting, and a 2.5lb nitrous oxide bottle.

Can this kit be shipped to California?

No, this nitrous system is not CARB approved and cannot be shipped to California.

Nitrous Express Proton Nitrous Kit 61028-2.5P

Name: Nitrous Express 4 Cyl Proton Nitrous Kit w/2.5lb Bottle
Brand: Nitrous Express
SKU: nitrous-express-nitrous-express-4-cyl-proton-nitrous-kit-w-2-5lb-bottle-t14-339969
Price: 907.10 USD
Availability: BackOrder

Nitrous Express 4 Cyl Proton Nitrous Kit w/2.5lb Bottle

$907.10

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Nitrous Express 4 Cyl Proton Nitrous Kit w/2.5lb Bottle. Adds 40-100 HP for a significant power boost.

Key Features

Fits four-cylinder engines.
Includes a 2.5lb nitrous oxide bottle.
Features a Piranha nozzle with jetting for 40-100 HP.
Nitrous Oxide Injection System Kit.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

Nitrous Express is well-known for its performance nitrous oxide systems. This Proton Nitrous Kit is designed for four-cylinder engines, offering a straightforward way to add significant horsepower. If you're looking to get more out of your engine, this system can make a notable difference.

The heart of this kit is the Piranha nozzle, which is specifically designed for four-cylinder applications. It comes with jetting that allows for an increase of 40 to 100 horsepower, depending on your setup and the jets you choose. This system includes a compact 2.5lb nitrous oxide bottle, making it a good fit for vehicles where space is a consideration. The system is built for reliable performance, giving you that extra surge of power when you need it.

When installing a nitrous system, it's important to ensure your engine is in good mechanical condition and can handle the added power. Always follow the manufacturer's installation instructions carefully. This kit is not CARB approved and cannot be shipped to California.