Wassup I am into car audio I do installs on the side. I am not a crtified installer or anything like that. What i do is basic installs and build sealed boxes. I give this background because I know you guys are kinda tough on people not knowing much and and acting like that they know everything. Here is my question I have to put a port that is 1.75 wide by 18.5 high by 18.5 long,
but becuase the box is 9 deep I can only go 7.25 at this poit I have to make a left handed 90 degree angle. How do you measure to compensate for the bends? Thank you very much guys