Originally Posted by thisisntjared
on a side, are you sure the exhaust is 5in? or is just the muffler tip 5?
to find the diameter of the piping without taking it off, get measuring tape around the exhaust pipe and divide that measurement by Pi(3.14). also from the pics, that looks like the stock heat shielding for the stock dp.
OK so it is a 3" exhaust with a 5" tip.