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      12-16-2012, 02:55 PM   #6
paradoxical3
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Drives: BMW
Join Date: Mar 2012
Location: USA

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Yes, the benefit is sound. The flap automatically opens at a certain RPM under throttle to make the car sound better - it comes this way from the BMW factory. All the golf T mod does is allow you to enjoy the sound all the time. It does not hurt anything in the car whatsoever and is 100% reversible. It doesn't even throw a code if you do the JB4 version.
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