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      12-11-2010, 05:22 AM   #1
MYX6
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Drives: BMW X6 35i
Join Date: Dec 2010
Location: Sofia BULGARIA

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Exhaust modification on E71 35i

Hello to all fans of BMW X6, I just join the forum and I am happy to share my experience in modification of exhaust of E71 35i. I put down the secondary cats, install X venturi instead of middle silencer, and install sport rear silencers.
My next step is to put direct pipe instead of rear silencers.
My biggest concerns was when puting down the secondary catalysts. I try to get some info before the work from bmw mecanics and forums, but finaly just try and it was OK. We masure the data of lamda sensors before and after decat -no difference.
The sound raise, but verry nice,not much because of the turbo.
The car is responding much beter and quick at start. I never make dino test, but by me the power raise 20-25hp.
Appreciate 0
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