Whats the best way to get one made up if I cant get the car to the I/C fab place? make a model or just trust measurements? its not exactly a straight forward fit, the pipes need to route slightly around the rad and the I want the core to fill the bumper gap you see.

Any ideas? this is all thats holding me back to getting it running, once the I/C is done I can drive it to the exhaust place and get them to make me summat up