Originally Posted by BMW Fanatic
So this is catless but still has 4 resonators? Does it work with OEM muffler?
Sorry for the n00b questions, exhausts aren't my speciality.
It will work or bolt on with the OEM muffler 100% I did the same exact setup.
You get all the power without the drone since it has 4 resonators on it.
Very DD friendly a tad louder than stock.