Thread: Borla exhaust for the 135i
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      03-04-2009, 01:37 PM   #187
Papethova
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Drives: '08 135/ '11 1M
Join Date: Oct 2007
Location: at Death Valley 127

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Dual all the way through requires the midpipes too.

Are you saying you deleted the resonator and all 4 cats?

I have stock DPs and my car is LOUD, I wanted to go the catless DP route but am afraid it would be just too loud.
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