BMW M4 (F82 F83) - Sport Exhaust with Sound Architect™ (2014 on) - QuickSilver Exhausts
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BMW M4 (F82 F83) - Sport Exhaust with Sound Architect™ (2014 on)

BMW

BM444T

$5,881.00


DETAILS 

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.

 

SOUND ARCHITECT™ 

Electronic Valves inc. Sound Architect™ Module - uses QS APP (Android and iOS)

Our Sound Architect App hands control of the valves back to the driver for the ultimate experience. When you select ‘Open’ they’ll stay open and when you select ‘Closed’ they’ll stay closed – this choice will be remembered even after the car’s been turned off and on.

The electronic module included only requires a 12v feed, usually a cigarette-lighter socket. It’s Bluetooth controlled on the driver’s smart device, and pairing takes just a minute.

The electronics are designed in-house and manufactured for us here in the UK, using local British factories.


SOUND

SPORT Mode OEM  QS Valves Shut  QS Valves Open
Tick Over LH 83.5 db / RH 82.5 db LH 83 db / RH 82.5 db LH 88 db / RH 87 db
2000 RPM LH 78 db / RH 83 db LH 83 db / RH 87 db LH 86 db / RH 85.5 db
3000 RPM LH 81.5 db / RH 80.3 db LH 94.5 db / RH 96 db LH 100 db / RH 98 db
4000 RPM LH 87 db / RH 87 db LH 99 db / RH 99 db LH 104 db / RH 104 db