Advice on exhaust
 

Hey,

I have a miltek cat back I belive how do I find out if it's 2.5" or 3"?

This may be a dumb question but any help would be appreciated cheers Kyle

Measure the diameter of the piping with a measuring tape. o_o

i think miltek is 2.75"

as above 2.75?
but to check measure the around the pipe (circumference) & divide value by 3.14 to get the diameter.

Or measure the inside diameter, waaay simpler and more accurate as the external circumference will add to the overall size and give a false internal diameter reading :thumb:

not easier if the system is on the car, which i assume it is.