Has anyone tried these mufflers yet?






These are from a 2011 Bi-Turbo E63. I got a hell of a deal on them too. I figured I would do a mock up on the left side to see how much modification will be required before I commit to the install. I know these sound good on the 63, but I am wondering how they will sound on the 55?
Last edited by 211.070; Jan 22, 2014 at 11:15 PM.
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I just picked them up yesterday. I will probably start next week on the mock up.
Last edited by 211.070; Jan 22, 2014 at 11:16 PM.



As you can see in the first picture. There is a pronounced drop towards the inside of the muffler. This allows for inner clearance of the chassis on the stock muffler. The 212 chassis muffler dos not have this. Therefore, the muffler cannot be lifted into the cavity properly.

I am not a fan of the tips either. This is a problem that I could fix though. I wish that this was the only problem I had with these.

The muffler case would need to be modified in order to tuck it in to the cavity properly. I would hate adversely affect the sound of the mufflers by changing it. That is just my opinion at this time.




Last edited by mertd93; Jan 23, 2014 at 08:45 AM.
The biturbos started in 2012 in the US.
I wonder if there is much difference in the mufflers from the NA E63 vs the biturbo E63s. It'd be nice to know.
Exhaust doesn't look half bad, the tips gotta go ... but as you said, OP, those are an easy swap. I think you should truck along and finish the project and while you're at it, delete the resonator, too.
I agree if you don't like the tips chop them off and use the 55 tips.










