Thread: Thoughts of a race day exhaust, 3" bullet off the mid pipe dumped pre-axle
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      05-24-2012, 09:43 PM   #8
Nugget
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Drives: G81 M3 Touring, GR Supra GTS
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Location: Perth

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2011 BMW 135i  [10.00]
What about an electric exhaust cut out?
So it run through the whole system on the street but hit a switch and it comes straight out the dump pipe.
I've seen it done on Supras etc. Anyone done it on a BMW?
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