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Bully Dog 47021-X Auto Nitrous Single Nozzle

Fits Bully Dog Auto Nitrous Kit
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The Bully Dog 47021 Auto Nitrous Nozzle Kit is a must-have when customizing the nitrous setup on your Bully Dog Auto Nitrous System. Nozzles sold individually.


  • 1/8" NPT To 3AN connection
  • Dot Indicator For Flow Direction
  • Machined From 6061-T651 Aluminum Round Stock
  • Heat Treated

Nozzle Specifications:

  • Red Nozzle: 0.04"
  • Silver Nozzle: 0.055"
  • Blue: 0.081"
  • Yellow: 0.125"

Product Options

47021-4 Yellow - 0.125"
47021-3 Blue - 0.081"
47021-2 Silver - 0.055"
47021-1 Red - 0.04"


  • Manufacturer Name Bully Dog Technologies
  • Shipping Weight 1.00 lb.
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.