the_red_pooch
15+ Year Contributor
- 96
- 2
- Sep 27, 2005
-
Madison,
Wisconsin
I'm looking to install my gm 3" mas directly before my tb elbow but I'm not sure what size the stock rubber piping is so I can buy the adapters for the gm mas. I'm assuming both the imput and output of the 3"gm mas are 3" correct? Is the stock rubber piping maybe 2.5" or 2.75"?