Nitrous Express
Forced Induction › Nitrous Systems
NEX Nitrous Oxide Kits
Part # nex20421-15 MFR # 20421-15 UPC 653374307420 ID 339429
Nitrous Express Proton Plus Nitrous Kit w/15lb Bottle
✓ In Stock (4 locations)
$669.38
MAP price — best available price
Free ground shipping on eligible orders
⚠️ Prop 65 Warning — Contains chemicals known to the State of California to cause cancer or reproductive harm.
⚠️ Not CARB Approved — Race/off-road use only. Not legal for street use on California-registered vehicles.
⚠️ CARB Acknowledgment Required — Buyer must confirm emissions compliance at checkout.
Identification
| Brand | Nitrous Express |
|---|---|
| Part Number | nex20421-15 |
| MFR Part # | 20421-15 |
| UPC / Barcode | 653374307420 |
| Item ID | 339429 |
| Price Group | Nitrous Express |
| Born-On Date | 2019-11-27 |
| Category | Forced Induction |
| Subcategory | Nitrous Systems |
Dimensions & Shipping
| Dimensions | 28.0" × 10.9" × 9.5" (L×W×H) |
|---|---|
| Weight | 25.30 lbs |
| LTL Freight | Standard Parcel |
| Air Shipping | Eligible |
Stock & Availability
| Status | ✓ In Stock (4 locations) |
|---|---|
| Warehouses |
● 01
● 02
● 03
● 59
|
| Regular Stock | Yes |
| Powersports | No |
Compliance & Regulations
| Prop 65 | ⚠ Warning Required |
|---|---|
| CARB | Not CARB Approved |
| CARB Ack. | Required |
| Active | Active |