Quote:
Originally Posted by Toneaero
Question for welding in the straight tube in-place of the muffler. Do you need to cut open both TOP and BOTTOM of the muffler housing in-order to weld it properly? I would prefer to only butcher the top of the housing so it will be hidden when I re-install it back on.
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You could probably do it either way. The E92 M3 guys have been doing this for years, and a lot of them only cut one side so that you cannot tell the suitcase has been modified visually from underneath.
Search "OEM Exhaust Mod" on any E92 M3 forum and you'll get lots of hits.
I was attempting to do the same thing with the Suitcase on my 50i M Sport, but the shop advised just to do magnaflows (the same shop has done the OEM mod on several M3s...)