MS3 Stock downpipe diameter

[SxySpd3]

Does anyone know the stock downpipe diameter on the speed3?

 

[djza2u1]

what dia. the dia of the cat or the pipe.

 

[SwampAss]

2.5

 

[SxySpd3]

diameter of the pipe

thanks swampass

 

[MSMS3]

I'm assuming you mean inside diameter, and that you are talking about at the outlet side of the DP. If so, yes, it is 2.5 inches. Outside diameter is close to 2.80 at that point.