BMW M3 / M4 Quicksilver Active Valve Exhaust System

BMW M3 / M4 Quicksilver Active Valve Exhaust System

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SKU: 00120 Category: Tags: , ,
Brand:BMW M3/M4

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BMW M3 / M4 Quicksilver Active Valve Exhaust System

When it comes to exhausts there are quite a few manufacturers all over the world. The reason we decide to sell and work closely with Quicksilver exhausts is they outright produce some of the finest systems you will ever be able to get your hands on. Not only is every exhaust component developed, produced and rigorously tested to the highest standards, Quicksilver exhausts will never put a product out to sale that they aren’t 100% satisfied with. British engineering at it’s finest!

It’s taken many months and into the years to develop and produce the M3/4 Switchable exhaust but the wait was well worth it. This active valve system allows the driver to switch from a refined tone to crazy race car loud in an instant and comes with Quicksilver special carbon sleeved tips to define the look.

The Quicksilver active system replaces the secondary catalytic converters, mid pipe and resonator as well as the rear back box. The valves are operated via a Mobile phone app. Due to removing the secondary cats, some power gains can be achieved and yet will remain MOT compliant with the primary cats remaining untouched.

Each exhaust is made to order, the lead time therefore will be between 2-4 weeks. On occasions this may be as little a 1 week depending on stock levels.


  • 1 x Primary cat back valved exhaust system including – Back box with carbon tips, “X” middle pipe (replacing secondary cats).


  • BMW M3 (F80)
  • BMW M4 (F82 / F83)

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Additional information

Weight 22 kg
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