Uploaded September 2026 | Updated September 2026, 1 day ago

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The Land Rover Defender P525 V8 is an incredible machine, but from the factory, the exhaust note is heavily restricted. We decided to fix that.

In this video, we've skipped the installation process to get straight to the good stuff: the noise! We take you underneath our Defender V8 to check out the Quicksilver Supersport Exhaust system featuring the Sound Architect valve control.

This system completely transforms the car, hitting a massive 108dB with the valves open, while still giving you the ability to shut the valves via remote for quiet highway cruising and early morning cold starts.

🛒 - Defender V8 Quicksilver Exhaust - carbonwurks.com/product/land-rover-defender-2021-quicksilver-active-valve-exhaust-system/?utm_source=YouTube&utm_medium=Video&utm_campaign=YT-V8Exhaust

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Chapters

00:00 108dB Cold Open Rev
00:06 Quicksilver Exhaust Cinematic Showcase
00:37 Under The Car: How The Sound Architect Valves Work
02:50 Sound Test: Valves Closed
03:17 Sound Test: Valves Open (108dB)

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