Video / Pics - Hear the new BMW M4 QuickSilver Active Valve Sport Exhaust
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Video / Pics - Hear the new BMW M4 QuickSilver Active Valve Sport Exhaust
The system fits the 2014 on model. This active valve system allows the driver to switch from a refined tone to crazy race car loud in an instant and comes with our special carbon sleeved tips to define the look.
Volcanic Black - ceramic catalyst replacement pipes also available.
FIND OUT MORE: https://quicksilverexhausts.store/collections/bmw-m4
Last edited by QuickSilver X; Dec 12, 2018 at 04:16 AM. Reason: additional content
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Aug 17, 2018 03:52 AM