Cat back for 1986 trans am 305 TPI, cat 3 inch flange

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Nov 16, 2011 | 05:02 AM
  #1  
Hello. I`m new to this forum, but i have been driving f bodies for many years. I live in Norway, Europe, and I`m hoping for some advices regarding cat back systems for my trans am. 305 TPI. 1986.

http://www.flowmastermufflers.com/sh...oducts_id=3764

Do anybody know if flowmaster 17233 will bolt on to my original cat?
In the info about 17233 it says that it will fit a 3 inch catalytic flange, and that it fits 1986 trans am carb.

I`ve measured the pipe from cat and back, and it measures 2,5 inch so what about the cat flange?
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