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      02-02-2012, 04:44 AM   #1
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Drives: Alpina B3 Allrad F30
Join Date: Dec 2011
Location: Switzerland

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X6M after market exhaust


I have installed a rear section exhaust mufflers from supersprint (hamann) and planning to add down pipes as well.
Akrapovic just released one for cheaper than supersprint, is it ok to change between after market brands fr exhaust or better to keep it all same brand?

And would changing downpipes void my warranty since it adds hp???

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