TSP rumbler question
I am going to have to cut 2-3 inches off the TSP rumbler because its bent, What size is the inlet diameter of the TSP Rumbler? I know its advertised as 3", but I have also heard 2.5". I am going to use an exhaust pipe coupler to fix it.
Also, the outlet size I have for the ORY is 2.75" after the step down in the y.


