Correct me if Im wrong if the downpipe is somewhat like the 02-06 Mini Suprecharger and has a MESH kind of, then it can be stipped from outside in.
On other hand I i dont know the other specs your inquired me DD, send email to ECOTUNE ok
RENNtech Flash(Lenny Wu)/WAGNER IC
Enkei Rajin 18"/Execuhitch Hitch/Koni FSD
Soft Ride Bike Rack/Brava Synthetic Motor Oil(Made in Puerto Rico)/Meth(in the works)/CBU done w Andrew EGR Race Pipe (whoa! what an animal it is now)