Air and Fuel› Nitrous Oxide Systems and Components
Nitrous Express
Nitrous Express - 90mm Hemi Plate System (50-400Hp) W/ 12Lb Bottle - 20990-12
SKU: N004 20990-12
Moderate — 2–4 hours
Description
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Nitrous Express |
| Part Number | N004 20990-12 |
Videos
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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