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About British Customs Air Injection Block-Off Kits

British Customs Air Injection Block-Off Kits

  • Reduces exhaust temperature
  • Helps prevent blueing of pipes
  • Reduces lean conditions
  • Kit includes low-profile air injection plugs, copper crush gaskets, rubber nipples and airbox plug (for stock airbox)
  • Available in black or raw finish.

Warning:  California Proposition 65

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