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The Nitrous Express dual stage upgrade kit for GM LS plates supplies the components needed to convert a single‑stage LS plate into a dual‑stage system. It includes the hardware required to complete the installation, allowing owners to expand their nitrous setup for staged power delivery. Use with existing GM LS plate conversions to add a second nitrous stage without replacing the original plate.
Nitrous Express Dual Stage Upgrade for GM LS Plates
