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D&D F7 pipe

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The F-7 pipe is ready to ship.Field testing and dyno testing are showing great gains.There is a six hp gain with the pipe and BullsEyes installed and a six pound weight saving.Also there is a four ft.lb of torque gain at 7500 rpms.The pipe makes it best hp at 7600-7700 rpm.When adding the pipe you will need to add more weight to the clutch arms or more helix angle.
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