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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
Proton Nitrous Oxide System with 4.5 kg (10 lb) bottle NX 20421-10
USA-NX-20420-10
Proton series nitrous oxide systems combine performance, durability, and value into one compact, easy-to-install module. Proton systems contain high-quality, USA-made solenoids, capable of 250 wheel horsepower. The black anodized aluminum housing not only looks great, but also dissipates heat from the solenoids for extreme durability.
This system is compatible with all electronic fuel injected, single throttle body vehicles.
This Proton system includes:
10 lb nitrous bottle with standard valve
Stainless steel bottle brackets
Piranha nozzle
Stainless braided nozzle lines
Stainless braided feed line
Master arming switch
Activation push button
Jetting for 35 HP, 50 HP & 75 HP
NITROUS BOTTLE IS EMPTY!










WHY THETUNERLAB
We have spent years building cars, racing, and testing the exact same parts that we sell.
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We test before we recommend.
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We help you choose the right part.
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Only trusted manufacturers.
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Before and after the purchase.
+10 years
of passion for drifting
+30.000
available products
+5.000
satisfied customers
24/7
passion for motoring
Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
Yes. We ship orders to Spain and most European countries using specialized transport agencies.
You can contact our team via WhatsApp, email, or our website's contact form.
Shipping costs depend on the type of product, its weight, dimensions, and the destination country. In most cases, the amount is calculated automatically during the checkout process before the order is finalized.
For some products, especially large items or those with special characteristics, shipping costs may require a manual review. If the amount shown does not match the actual shipping cost, we will contact you before processing the order to inform you of the final cost and request your confirmation before proceeding. We will never charge any additional fees without your authorization.