Paz8 Posted June 14, 2006 Share Posted June 14, 2006 Did a search and couldn't find an answer, anyone know the diameter of a stock 280 turbo exhaust pipe from the cat to the rear mounted muffler for a model year 83'. Thinking that I could use a pair of these for my SBC exhaust, save alot of fab work. Quote Link to comment Share on other sites More sharing options...
mario_82_ZXT Posted June 14, 2006 Share Posted June 14, 2006 I think it's either 2.5in or 2.25in if I remember correctly.... Mario Quote Link to comment Share on other sites More sharing options...
Brad-ManQ45 Posted June 30, 2006 Share Posted June 30, 2006 I believe it's 2 3/8ths... Quote Link to comment Share on other sites More sharing options...
slownrusty Posted June 30, 2006 Share Posted June 30, 2006 I still have mine as I'm a junk collector and its 2.5" Quote Link to comment Share on other sites More sharing options...
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