These NOS blowdown hose kits are available with 90 or 180 degree bottle fittings and straight or 90 degree exit fitting offering you many fitment choices. Also included is a 36 inch length of stainless steel braided Speed-Seal hose and a choice of black Speed-Flex fittings. This type of hose kit is necessary when mounting a nitrous bottle inside the passenger compartment or trunk of a vehicle. It directs the nitrous outside of the vehicle in the case of an over-pressurization event.

  • Safely vents over-pressurized nitrous to outside of vehicle
  • Allows for custom routing of nitrous blow down hose
  • Includes 36” -8AN Speed-Flex Hose, Speed-Seal Hose Ends, and 2024 aluminum adapters
  • Speed-Flex hose is made of stainless steel braid protected PTFE lined hose
  • For use with an NOS Racer's Safety Adapters 16169NOS or 16169BNOS
  • Required at all NHRA Sanctioned Events