|
Here is the layout from head-to-toe (literally).... output diameters in (). This is for 325i, 328i, and 330i (n52 engine)... (N54 is considerably different)
Engine (x6 1.5")---> Headers with catalytic converters(x2 2.25") ---> secondary catalytic converters (x2 2.25")---> resonator (x1 2.75")--->muffler (x2 2.25")
|