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      01-06-2021, 08:41 AM   #1
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Drives: 2009 X6 35i / 2011 X6 50i
Join Date: Sep 2012
Location: Milwaukee

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X6 E71 35i exhaust options

While looking through past threads in this forum, it looks like the only options for exhaust upgrades/modifications are either:

- Golf tee mode
- Expensive $2k+ axle back exhaust upgrade
- muffler delete
- secondary CATs delete
- secondary CATs & Mid-muffler delete and replace with X-pipe
- secondary CATs & Mid-muffler replaced by Variant resonators and X-pipe
- Mid-muffler delete and replace with X-pipe

I would like to:
- replace the rear mufflers with some 44 series Flowmasters but I don't think there may be enough room under there to allow for two flowmaster mufflers (one for each side). I believe their overall length is 20" but the body is only 14".

What have you guys done? Any sound clips?
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      01-06-2021, 12:40 PM   #2
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Drives: X5M , iX , S1000XR
Join Date: Jun 2018
Location: Edmonton

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Most restrictive part is preCAT, replace is with catted pipe, software tune from reputable company and that's it.
It's not honda civic to delete mufflers.
not rich enough to buy cheap
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