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Nitrous Express 15120 Direct Port Water/Methanol Injection System 4-Cylinder Stage 1

Manufacturer

Picture for manufacturer Nitrous Express

Part Number

15120
13 reviews
Sale Price

$896.01

Estimated ship date Saturday, November 28

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Product Details

The Nitrous Express 15120 is a Direct Port Water/Methanol Injection System designed specifically for 4-cylinder engines. By injecting the water/methanol mixture directly into each individual intake runner, this system delivers precise, even distribution to every cylinder — maximizing charge cooling and detonation resistance compared to single-point injection setups.

This Stage 1 system is activated via a wide open throttle (WOT) switch, making it an excellent entry-level direct port solution for turbocharged, supercharged, or naturally aspirated performance applications. The system delivers consistent and reliable water/methanol delivery through high-quality components designed for long-term durability.

Kit Includes:

  • High-pressure electric pump
  • High-pressure push-lock hose
  • Filtered nozzles (one per cylinder)
  • Nickel-plated fittings
  • Composite fluid reservoir
  • Wide open throttle (WOT) activation switch

Direct Port Advantage:

  • Injects water/methanol mixture directly into each intake runner
  • Superior cylinder-to-cylinder distribution vs. single-nozzle systems
  • Maximizes charge air cooling and suppresses detonation
  • Ideal for high-performance 4-cylinder applications

Stage Comparison:

  • Stage 1 (this kit): WOT activation switch for simple on/off control
  • Stage 2: Digital progressive controller with rotary dial adjustment
  • Stage 3: LCD progressive controller with adjustable low, mid, and high airflow levels; displays boost pressure, fuel injector duty cycle, and water/methanol injection percentage

The Nitrous Express 15120 is a proven solution for 4-cylinder enthusiasts looking to protect their engine and unlock additional power potential through direct port water/methanol injection.

Products specifications

Add-On Part

GENX-2, 16008, 16006, 18959, 11107

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

*****

Quick. Decent shipping quote.

Ordered Borla headers 17216 that was lowest price on internet. Shipped fast at a fair price and arrived in good condition. Communication from Autoplicity was timley and accurate with tracking number. I would not hesitate to order from them again.

I like your prices on parts and ease of navigating on your site.

Easy

Thanks Eddie! Love you long time!

best price i found online

Item arrived in two days, item was at the best price available, great service will use again!

I was told about Autoplicity from a friend on a car forum site that I wouldn't be disappointed with the price, quality and shipping. <br><br>I ordered my part on 7-18-12 and received my item the very next day. That's about as fast as getting some parts from the local auto parts store when they have the parts stocked in an outlying warehouse.<br><br>I will certainly look to Autoplicity first when I need to order engine and other car parts for my 87' Monte Carlo SS<br><br><br><br>

Easy

Ordering was quick and easy . Pleasant experience .

Awesome customer service and very good pricing!

The prices were affordable and of good quality,I will order from them Autoplicity again.

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