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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
Billet Crossbar Plate System, Four Stage, 100-2000 HP, 4150 Flange, 10lb Bottle
The Nitrous Express Billet Crossbar plate system is engineered for aftermarket EFI systems with nitrous fuel enrichment capabilities. This system is the quickest, easiest way to add nitrous. Nitrous Express provides the PPH (pounds per hour) flow data needed to easily tune the fuel enrichment of your aftermarket EFI system. This system is fast to install, easy to tune, and capable of injecting more horsepower than any nitrous plate on the market.
This system includes a billet crossbar nitrous plate, carbon fiber / billet aluminum Lightning series solenoids, solenoid bracket, billet aluminum Y-fittings & distribution blocks, stainless steel braided nitrous lines, wide open throttle switch, master arming switches, and all necessary hardware and electrical to complete the system.
This system is offered in 3 different configurations for 4150 and 4500 flange intake manifolds. Single Stage: This is a single dry nitrous stage capable of injecting up to 500 horsepower.
Dual Stage: This system is capable of operating in two stages, the first injecting up to 500 horsepower and the second up to 400 horsepower, for a combined 900 rear wheel horsepower potential.
Four Stage: This is the highest horsepower nitrous plate system on the market, capable of injecting 4 completely independent stages. The first two stages can inject 500 horsepower each. The last two stages can inject 400 horsepower each, for a combined 1800 rear wheel horsepower.
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.
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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.