Jerry DeMoss Posted May 25, 2006 Share Posted May 25, 2006 I would like to see if anyone has an extra ea81 header laying around.I would like to see what the diameter of each side of the exhaust header pipe is?I would like measurements from the inlet side from the exhaust port of the head and also the exit diameter from behind where the cat is.If anyone could lend me a hand with this that would be great.Thanks. Link to comment Share on other sites More sharing options...
SOOBOUTLAW Posted May 25, 2006 Share Posted May 25, 2006 Looks like 1 1/2" ID at the flange that bolts to the head, and 1 3/4" behind the cat. Just took it off my '83 Brat. Link to comment Share on other sites More sharing options...
Jerry DeMoss Posted May 25, 2006 Author Share Posted May 25, 2006 Thanks so much!I apreciate it. Link to comment Share on other sites More sharing options...
SOOBOUTLAW Posted May 25, 2006 Share Posted May 25, 2006 No problem dude. Link to comment Share on other sites More sharing options...
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