wht89reatta Posted November 1, 2013 Share Posted November 1, 2013 I have a hole in one of my exhaust pipes. I was wondering what the standard size of the was so i don't have to cut it before i have replacement pipe. Link to comment Share on other sites More sharing options...
2seater Posted November 1, 2013 Share Posted November 1, 2013 Where is the hole? The exhaust system from the rear manifold all the way back to the muffler is 2.25"O.D. on a 1989 model. The dual tips on the muffler are integral with the muffler (welded assembly) and are 2" O.D. IIRC. Link to comment Share on other sites More sharing options...
wht89reatta Posted November 2, 2013 Author Share Posted November 2, 2013 It's between the cat and the muffler. Some of the welded on shield is rusting away at the weld points and it starting to affect the back pressure. Link to comment Share on other sites More sharing options...
2seater Posted November 3, 2013 Share Posted November 3, 2013 If replacement Reatta specific formed pipe is not available, the Riviera pipe will fit but must be shortened due to the different wheelbase. Link to comment Share on other sites More sharing options...
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