E55 Exhaust Modification Advice
My question is what potential issues its removal could have?
I am not sure whether to remove it entirely along with the intermediate muffler, or to remove the crossover pipe and replace the intermediate muffler with a properly designed crossover pipe like that on the M5.
A properly designed crossover pipe designed like a collector would be great eg. merging to the two 2.75" pipes to a single 4" pipe and back to two 2.75" pipes.
I am not an expert on exhaust design, but the standard crossover pipe looks like a flow killing, turbulance inducing nightmare. I would like some more knowledgable opinions on the matter.



