Porsche Air Box Relief Valve - 911 74-83 911-110-ABV 104003 Porsche Steel brake line for

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Porsche Air Box Relief Valve - 911 74-83 911-110-ABV 104003 Porsche Steel brake line forPrevent the early destruction of your Air Box. This valve installed on your air box will blow open in the event of a backfire, instead of blowing the box to pieces. You will need a saw (like for cutting doorknob holes in doors) and epoxy.