Thread: Buying exhaust OS
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      08-21-2018, 09:02 PM   #9
atlas
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Australia
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Drives: F10 535i, M2 LCI, G05 X5 40i
Join Date: Nov 2009
Location: Melbourne, Australia

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Would suggest trying a sport cat downpipe first. Nice volume increase with added performance.
Appreciate 1
David.m437.00
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