Anybody ever do any testing with a different brand aftermarket muffler on the D&D billet cat head pipe on an M8? Curious if it's been tried or dyno tested with any other mufflers besides theirs.... Mike

 

It’s going to be hard to beat the D&D designed system.

 

i've heard of people using a disc style muffler on that D&D header with good results on TC, i cant imagine that it would not work well for the M8, as always, just neeeds the proper tuning capability.
m