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      09-19-2012, 05:54 PM   #12
flinchy
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Drives: 130i
Join Date: Nov 2011
Location: QLD, Australia

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Quote:
Originally Posted by M130ISWP
They removed both sets of Cats, by the manifold and the 1 silencer.

Its not normal though, some other members in our club, have done it on their NA engines and dont have this problem
Both sets? So the ones IN the exhaust manifold too?