70mm or 75..

Discussion in 'The Garage' started by kevins98mustang, Mar 4, 2007.

  1. kevins98mustang

    kevins98mustang New Member

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    Want to know what to go with on my 98 GT.. want to know if i do change my intake to 70mm or 75mm... do i need to do something.. to the computer or anything or adjust anything.. or can i just bolt on and go.. ???????
     
  2. 19mustang95

    19mustang95 Legend

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    bolt on and go, but you need to get a plenum too...and if you plan on going boosted, get a 75. otherwise you can just get a 70.
     
  3. kevins98mustang

    kevins98mustang New Member

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    OK . SO i can just bolt the 70mm and go.. right on. .if i do go with the 75 do i really have to get the Plenum
     
  4. 19mustang95

    19mustang95 Legend

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    im pretty suure you need a plenum for both
     
  5. 97vertstang

    97vertstang Well-Known Member

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    get a trick flow plenum , its $99 bucks on summit racing, and it will only be 1-2 rwhp away from the other expensive plenums.