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Discussion Starter #1
Hi Guys,

Im planning on doing some custom work on my exhaust and looking for pictures of what rear boxes look like inside on 650 and M6 E63
Anybody can help ?
 

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Discussion Starter #3
Well Timm Im going to do something more sophisticated and install cutout valves inside
 

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M6/m5 v10 fitted with fundamentally different systems and setup. Different diameter, position of CAT, secondary mufflers and final mufflers.
Which is twin box setup unlike 650
Not compatible or work same way

For 650
final back box modifications or straight pipe all the way for extreme

Supersprint/eissnman offer nice looking back box but they basically same as oem butchered with 403 steel

additional 3rd pipes with operational valve?
Unless done extremely high quality and efficient to make it work. most importantly last long enough. Almost all of these after market setup stop working after first rain...

Personally for me if I had my 650i I would go full straight pipe with factory tips
These engine sounds so beautiful when free


Sent from my SM-G986B using Tapatalk
 
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