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Old 18th July 2016, 07:24 AM
1781cc 1781cc is offline
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Join Date: Dec 2015
Posts: 718
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Are they electrical or vacuum? I'll check outside later on but on my B6 S4 they were 100% vacuum operated and it was all to do with the air pressure moving the flaps?!?

I'm very interested in the Milltek by the way...
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