Pro Chamber Headpipes

• Product Details

  Exhaust head pipes must evolve along with the top end of the motorcycle's engine if they are to be efficient, make power and emit less heat than a stock system. Cobra modified the PowerPort by enlarging it to become a pulse chamber that accelerates exhaust scavenging to produce the kind of power riders expect.

  • Even its cherry bomb shape, bulging from between the heat shields, gives a clue to the real power potential it offers.
  • On top of that, this dual bung version includes 18 mm bungs up near the heads, allowing the use of wideband oxygen sensors.
  • Perfect for use with the new Harley-Davidson auto tuner.

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• Q&A

• Fitment

• # Part Numbers

  Product Variant	Manufacturer Part #
  Black Heat Shields	6256RB
  Chrome	6256
  Chrome / Dual Bungs	6255DB
  Raven Black / Dual Bungs	6255DBRB

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